The Hurricane II headset is designed to provide the performance of a heavy duty headset in a high noise environment without all of the weight and bulk. The dual ear loops ship standard with NoisEzSM Ear Tips with an NRR rating of 29dB, delivering advanced protection against dangerous decibel levels. The user can easily convert the headset for use in a low noise environment by simply switching out the ear tips. The closefitting headset can be worn comfortably under a helmet or cap against loud noises. Product Features Behind-the-head style headset with dual ear inserts Performance of a heavy-duty headset without all of the weight and bulk Provides noise reduction with use of NoisEz Ear Tips (29dB) Multiple ear insert options included (also see COMTIP eartip section) Ear tips are non-toxic, non allergenic Easily converts from high noise to low noise environment Flexible extreme noise-canceling boom microphone with replaceable windscreen Can be worn under helmet or cap Optional PTT Pigtail available for some radio models Mechanical Specifications Cable pull from T module, axial: 30 lbs Cable pull from headset, axial: 20 lbs Wire pull from receiver, axial: 20 lbs Receiver wire pull from headset, axial: 20 lbs Flex at connector: 25,000 cycles Cable flex at T module: 6,000 cycles Cable flex at headset: 15,000 cycles Cable flex at receiver: 5,000 cycles Wireform flex (tip to tip): 25,000 cycles 24 month manufacturer's warranty Electrical Specifications Microphone sensitivity at 94dB SPL: -44 typical Environmental Specifications Operating temperature: -20Adeg C to +60Adeg C Storage temperature: -40Adeg C to +80Adeg C