{"product_id":"enhanced-digital-behind-the-head-h-duty-headsets","title":"(CRS-HDHSED) Enhanced Digital Behind the Head H\/Duty Headset","description":"\u003cp data-end=\"192\" data-start=\"141\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0838\/4020\/4993\/files\/Connector_Chart.pdf?v=1772077880\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cstrong\u003eConnector Chart\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-end=\"192\" data-start=\"141\"\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cstrong\u003ePlease note: \u003c\/strong\u003eIf no cable is selected, no connector will included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"193\" data-end=\"269\"\u003e\u003cstrong data-start=\"197\" data-end=\"269\"\u003eEnhanced Digital Heavy Duty Behind-the-Head Noise-Cancelling Headset\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"271\" data-end=\"617\"\u003eOptimised for use with \u003cstrong data-start=\"294\" data-end=\"320\"\u003edigital two-way radios\u003c\/strong\u003e, the \u003cstrong data-start=\"326\" data-end=\"381\"\u003eEnhanced Digital Heavy Duty Behind-the-Head Headset\u003c\/strong\u003e offers outstanding audio clarity through a digitally tailored \u003cstrong data-start=\"444\" data-end=\"483\"\u003eamplified dynamic microphone insert\u003c\/strong\u003e. Designed for demanding, high-noise environments, this headset delivers consistent, reliable performance with comfort and durability.\u003c\/p\u003e\n\u003cp data-start=\"619\" data-end=\"743\"\u003eWhether you're in \u003cstrong data-start=\"637\" data-end=\"708\"\u003emining, motorsport, manufacturing, construction, or live production\u003c\/strong\u003e, this headset is built to perform.\u003c\/p\u003e\n\u003chr data-start=\"745\" data-end=\"748\"\u003e\n\u003ch3 data-start=\"750\" data-end=\"807\"\u003e\u003cstrong data-start=\"754\" data-end=\"807\"\u003ePTT OPTIONS – Your Choice of Cable Configuration:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"812\" data-end=\"914\"\u003e\u003cstrong data-start=\"812\" data-end=\"832\"\u003eInline PTT Cable\u003c\/strong\u003e – Allows operation via both the \u003cstrong data-start=\"865\" data-end=\"879\"\u003einline PTT\u003c\/strong\u003e and the \u003cstrong data-start=\"888\" data-end=\"911\"\u003eearmuff-mounted PTT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"918\" data-end=\"991\"\u003e\u003cstrong data-start=\"918\" data-end=\"939\"\u003eEarmuff PTT Cable\u003c\/strong\u003e – Uses only the integrated \u003cstrong data-start=\"967\" data-end=\"990\"\u003eearmuff-mounted PTT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"993\" data-end=\"1136\"\u003eThis modular cable system allows for simple, cost-effective upgrades—perfect if you're transitioning to new radios or replacing damaged cables.\u003c\/p\u003e\n\u003chr data-start=\"1138\" data-end=\"1141\"\u003e\n\u003ch3 data-start=\"1143\" data-end=\"1164\"\u003e\u003cstrong data-start=\"1147\" data-end=\"1164\"\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1168\" data-end=\"1329\"\u003e\u003cstrong data-start=\"1168\" data-end=\"1205\"\u003eDigitally Tuned Audio Performance\u003c\/strong\u003e\u003cbr data-start=\"1205\" data-end=\"1208\"\u003eEngineered for compatibility with digital radios, delivering \u003cstrong data-start=\"1271\" data-end=\"1305\"\u003ecrisper, clearer communication\u003c\/strong\u003e in high-noise settings.\u003c\/p\u003e\n\u003cp data-start=\"1333\" data-end=\"1454\"\u003e\u003cstrong data-start=\"1333\" data-end=\"1374\"\u003eInterchangeable Radio Interface Cable\u003c\/strong\u003e\u003cbr data-start=\"1374\" data-end=\"1377\"\u003eOne headset supports multiple radio models—just swap the cable when needed.\u003c\/p\u003e\n\u003cp data-start=\"1458\" data-end=\"1631\"\u003e\u003cstrong data-start=\"1458\" data-end=\"1493\"\u003eHigh-Quality Microphone Options\u003c\/strong\u003e\u003cbr data-start=\"1493\" data-end=\"1496\"\u003eSupplied standard with an \u003cstrong data-start=\"1524\" data-end=\"1556\"\u003eamplified dynamic microphone\u003c\/strong\u003e, with optional \u003cstrong data-start=\"1572\" data-end=\"1584\"\u003eelectret\u003c\/strong\u003e or \u003cstrong data-start=\"1588\" data-end=\"1608\"\u003estandard dynamic\u003c\/strong\u003e microphones available.\u003c\/p\u003e\n\u003cp data-start=\"1635\" data-end=\"1809\"\u003e\u003cstrong data-start=\"1635\" data-end=\"1667\"\u003eDual Noise-Reducing Ear Cups\u003c\/strong\u003e\u003cbr data-start=\"1667\" data-end=\"1670\"\u003eFlexible design, fitted with \u003cstrong data-start=\"1701\" data-end=\"1739\"\u003eacoustic noise reduction materials\u003c\/strong\u003e and \u003cstrong data-start=\"1744\" data-end=\"1788\"\u003ereplaceable foam-filled PVC ear cushions\u003c\/strong\u003e for all-day comfort.\u003c\/p\u003e\n\u003cp data-start=\"1813\" data-end=\"1984\"\u003e\u003cstrong data-start=\"1813\" data-end=\"1868\"\u003eKevlar-Reinforced Cable with Built-in Strain Relief\u003c\/strong\u003e\u003cbr data-start=\"1868\" data-end=\"1871\"\u003ePrevents damage to the earmuff if the cable is pulled or caught, significantly reducing potential repair costs.\u003c\/p\u003e\n\u003cp data-start=\"1988\" data-end=\"2083\"\u003e\u003cstrong data-start=\"1988\" data-end=\"2035\"\u003eFlexible Boom Microphone with 300° Rotation\u003c\/strong\u003e\u003cbr data-start=\"2035\" data-end=\"2038\"\u003eEasily adjustable for optimal voice pickup.\u003c\/p\u003e\n\u003cp data-start=\"2087\" data-end=\"2119\"\u003e\u003cstrong data-start=\"2087\" data-end=\"2117\"\u003eNoise Attenuation Ratings:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2124\" data-end=\"2164\"\u003e\u003cstrong data-end=\"1641\" data-start=\"1629\"\u003eNRR 26dB\u003c\/strong\u003e hearing protection - This headset is classified as a Class 5 hearing protection device and is designed to meet the requirements of ANSI S3.19-1974. This classification indicates that it provides a high level of noise reduction suitable for use in demanding industrial and occupational environments, in accordance with established American National Standards Institute (ANSI) criteria for hearing protection performance.\u003c\/p\u003e\n\u003cp data-start=\"2188\" data-end=\"2257\"\u003e\u003cstrong data-start=\"2188\" data-end=\"2212\"\u003eDustproof PTT Button\u003c\/strong\u003e\u003cbr data-start=\"2212\" data-end=\"2215\"\u003eBuilt for tough industrial environments.\u003c\/p\u003e\n\u003cp data-start=\"2261\" data-end=\"2280\"\u003e\u003cstrong data-start=\"2261\" data-end=\"2280\"\u003e1-Year Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2718\" data-end=\"2763\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTest Condition\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"671\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eStandard Test Condition\u003c\/td\u003e\n\u003ctd width=\"435\"\u003eThe general test conditions should be:\n\u003cp\u003eTemperature 10 to 35°C, Normal humidity 45 to 80%.\u003c\/p\u003e\n\u003cp\u003eIf uncertainty arise in data, the test condition should be:\u003c\/p\u003e\n\u003cp\u003eTemperature 20±2°C, humidity 60 to 70%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eWork Environment Condition\u003c\/td\u003e\n\u003ctd width=\"435\"\u003eThe working condition should be:\n\u003cp\u003eEnvironment temperature -25 to 55°C\u003c\/p\u003e\n\u003cp\u003eRelative humidity less than or equal to 96%\u003c\/p\u003e\n\u003cp\u003eAtmospheric pressure barometric 86 to 106kPa\u003c\/p\u003e\n\u003cp\u003eThe environment noise less than or equal to 110dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eStorage Environment Condition\u003c\/td\u003e\n\u003ctd width=\"435\"\u003eThe deposit environment condition should be:\n\u003cp\u003eEnvironment temperature -40 to 55°C\u003c\/p\u003e\n\u003cp\u003eRelative humidity less than or equal to 96%\u003c\/p\u003e\n\u003cp\u003eAtmospheric pressure barometric 86 to 106kPa\u003c\/p\u003e\n\u003cp\u003eThe environment noise less than or equal to 110dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Standard\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"671\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eType\u003c\/td\u003e\n\u003ctd width=\"435\"\u003eHeavy Duty Headset Enhanced Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eDimensions\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e240mm x 120mm x 100mm Approx.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eWeight\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e420±15 Grams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Compliance\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"671\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\" colspan=\"2\"\u003eRoHS – Restriction of Hazardous Substances\u003c\/td\u003e\n\u003ctd width=\"434\" colspan=\"2\"\u003eThe product is compliance with the Directive 2002\/95\/EC (of the European parliament and of the council of 27 January 2003 on the restriction of the use of certain hazardous substance in the Electrical and electronic equipment) Known as RoHS Directive.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"236\" rowspan=\"7\"\u003e \n\u003cp\u003eMaximum Content (by weight) of each Restricted Material\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"283\"\u003eBanned Substance\u003c\/td\u003e\n\u003ctd width=\"151\"\u003eMaximum concentrations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"283\"\u003eLead (Pb)\u003c\/td\u003e\n\u003ctd width=\"151\"\u003e1000 PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"283\"\u003eLead in copper alloy\u003c\/td\u003e\n\u003ctd width=\"151\"\u003e40000 PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"283\"\u003eLead in steel\u003c\/td\u003e\n\u003ctd width=\"151\"\u003e3500 PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"283\"\u003eLead in aluminium alloy\u003c\/td\u003e\n\u003ctd width=\"151\"\u003e4000 PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"283\"\u003eLead in solder\u003c\/td\u003e\n\u003ctd width=\"151\"\u003e1000 PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"283\"\u003eCadmium (Cd)\u003c\/td\u003e\n\u003ctd width=\"151\"\u003e100 PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"236\" rowspan=\"4\"\u003e\u003c\/td\u003e\n\u003ctd width=\"283\"\u003eMercury (Hg)\u003c\/td\u003e\n\u003ctd width=\"151\"\u003e1000 PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"283\"\u003eHexavalent Chromium (Cr*6)\u003c\/td\u003e\n\u003ctd width=\"151\"\u003e1000 PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"283\"\u003ePolybrominate biphenyls (PBBs)\u003c\/td\u003e\n\u003ctd width=\"151\"\u003e1000 PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"283\"\u003ePolybrominate biphenyl ethers (PBDEs)\u003c\/td\u003e\n\u003ctd width=\"151\"\u003e1000 PPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"0\"\u003e\u003c\/td\u003e\n\u003ctd width=\"236\"\u003e\u003c\/td\u003e\n\u003ctd width=\"283\"\u003e\u003c\/td\u003e\n\u003ctd width=\"151\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Specifications for Speaker section\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"671\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eSpeaker Dimensions\u003c\/td\u003e\n\u003ctd width=\"434\" colspan=\"2\"\u003eɸ26mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eSpeaker DC Impedance\u003c\/td\u003e\n\u003ctd width=\"434\" colspan=\"2\"\u003e8 Ohms±15%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eRated Input Power\u003c\/td\u003e\n\u003ctd width=\"217\"\u003e1.0W\u003c\/td\u003e\n\u003ctd width=\"217\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eMax. Input Power\u003c\/td\u003e\n\u003ctd width=\"217\"\u003e1.5W\u003c\/td\u003e\n\u003ctd width=\"217\"\u003eFor 1 Minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd width=\"217\"\u003e94dB±4dB\/1W(2830Mv) 1KHz 10cm\u003c\/td\u003e\n\u003ctd width=\"217\"\u003e1. Input Signal 1W with Electric Sound Device Analyzer.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eOperation Test\u003c\/td\u003e\n\u003ctd width=\"217\"\u003eMust be normal\u003c\/td\u003e\n\u003ctd width=\"217\"\u003eProgram Source 1.0W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eDistortion\u003c\/td\u003e\n\u003ctd width=\"217\"\u003e5% Max.\u003c\/td\u003e\n\u003ctd width=\"217\"\u003eRated Input at 1KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Specifications for Microphone section\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"671\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eMicrophone Type\u003c\/td\u003e\n\u003ctd width=\"435\" colspan=\"2\"\u003eElectret Microphone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eMicrophone Dimensions\u003c\/td\u003e\n\u003ctd width=\"435\" colspan=\"2\"\u003eɸ6.0×2.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd width=\"435\" colspan=\"2\"\u003e≤2200 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eWorking Voltage\u003c\/td\u003e\n\u003ctd width=\"435\" colspan=\"2\"\u003eDC1.0~10V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd width=\"435\" colspan=\"2\"\u003e≤0.5mA (4.5V,2.2K)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eDirectivity\u003c\/td\u003e\n\u003ctd width=\"435\" colspan=\"2\"\u003eNoise Cancelling\/Bidrectional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd width=\"217\"\u003e-42dB±3dB at 1KHz\u003c\/td\u003e\n\u003ctd width=\"217\"\u003eInput Signal U=4.5V; R=2.2KΩ\n\u003cp\u003eUsing Electric Sound Device Analyzer.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Test\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"671\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eLow Temperature Storage Test\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e1. The tested units shall be kept for 24 hours in the environment chamber which is set to the temperature conditions of -40 centigrade.\n\u003cp\u003e2. The tested units shall be measured for performance by Electric Sound Device Analyzer tester after leaving the tested units at normal temperature for 5 hours.\u003c\/p\u003e\n\u003cp\u003e3. The changes of Speaker and Microphone sensitivity should not be more then 3dB, compared to the initial level; without deformation, cracking undesirable phenomena.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eHigh Temperature Storage Test\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e1. The tested units shall be kept for 24 hours in the environmental chamber which is set to the temperature of 55 centigrade.\n\u003cp\u003e2. The tested units shall be measured for performance by Electric Sound Device Analyzer tester after leaving the tested units at normal temperature for 5 hours.\u003c\/p\u003e\n\u003cp\u003e3. The changes of Speaker and Microphone sensitivity should not be more than 3dB, compared to the initial level; without deformation, cracking undesirable phenomena.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eDrop Test (Finished Protect)\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e1. Height of drop: 152.4cm.\n\u003cp\u003e2. Times of drop: 10 times.\u003c\/p\u003e\n\u003cp\u003e3. Opertating of drop: Take the headband, free-fall\u003c\/p\u003e\n\u003cp\u003e4. The tested units should not become detached except the cushions and sponges, any part should not be cracked, and communication function should not be damaged.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eVibration Test\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e1. Vibrate frequency: 14Hz-33Hz.\n\u003cp\u003e2. Vibrate acceleration: 98m\/s2.\u003c\/p\u003e\n\u003cp\u003e3. 1 hour per axis.\u003c\/p\u003e\n\u003cp\u003e4. The changes of Speaker and Microphone sensitivity should not be more than 3dB, compared with the initial level; any part should not be cracked or become detached.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eSalt Spray Test\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e1. Sodium chloride (NaCI) solution concentrate: 5±1%(w\/w).\n\u003cp\u003e2. PH value: 6.5-7.2.\u003c\/p\u003e\n\u003cp\u003e3. Chamber Temperature: 33.3~37\u003c\/p\u003e\n\u003cp\u003e4. Exposure period: 24hrs.\u003c\/p\u003e\n\u003cp\u003e5. Requirement: No metal parts rust, no coating off.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003ePulling Test (Cable)\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e1. The cable should be able to withstand at least 8KG pulling force.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eGoose Neck Torque Test\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e1. Fix the MIC case and the Good Neck 2.5cm apart from the MIC case into torque tester.\n\u003cp\u003e2. The MIC case should be able to withstand at least 0.25NM torque without loose.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003ePTT Switch Life Test\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e1. Holding down the button of PTT and release it is one cycle of the PTT life test. The PTT switch should function well after 50000 cycles.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eHeadband Force Measurement\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e1. Test Condition: Remove all the earmuffs, put the headband at the initial position. Pull the cups to maintain 165mm distance, record the data after stabilized for 5~10s.\n\u003cp\u003e2. The initial Headband force is (900±200) gf.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eMIC Boom Bending Test\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e1. Fix the cup, and then rock MIC boom60 degree left, 60 degree right, the total rocking angle is 120 degree.\n\u003cp\u003e2. A cycle of rocking rest means that rock MIC boom from the left side to the right side and then back to the left side.\u003c\/p\u003e\n\u003cp\u003e3. The MIC boom is solid after 5000 cycles rocking test.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"236\"\u003eCushion Mounting Test\u003c\/td\u003e\n\u003ctd width=\"435\"\u003e1. Assemble ear cushion into cup repeatedly. No degradation in mechanical function after 10 cycles.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"My Store","offers":[{"title":"EARMUFF \/ H4","offer_id":49531678359745,"sku":"CRS-HDHSEDEM-H4","price":525.0,"currency_code":"AUD","in_stock":true},{"title":"EARMUFF \/ H5","offer_id":49531678392513,"sku":"CRS-HDHSEDEM-H5","price":525.0,"currency_code":"AUD","in_stock":true},{"title":"EARMUFF \/ K1","offer_id":49531678425281,"sku":"CRS-HDHSEDEM-K1","price":485.0,"currency_code":"AUD","in_stock":true},{"title":"EARMUFF \/ K2","offer_id":49531678458049,"sku":"CRS-HDHSEDEM-K2","price":525.0,"currency_code":"AUD","in_stock":true},{"title":"EARMUFF \/ K4","offer_id":49531678490817,"sku":"CRS-HDHSEDEM-K4","price":485.0,"currency_code":"AUD","in_stock":true},{"title":"EARMUFF \/ M1","offer_id":49531678523585,"sku":"CRS-HDHSEDEM-M1","price":485.0,"currency_code":"AUD","in_stock":true},{"title":"EARMUFF \/ 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