PowerCom PLUS headset helps provide hearing protection and 2-way radio functionality in a single, comfortable communications headset. PowerCom headsets are an efficient alternative to belt radio models. Wireless system also available. Benefits The 3M™ Peltor™ PowerCom PLUS™ Headset is a reliable and affordable way to communicate in noisy environments. This two-way communications headset is certified intrinsically safe and offers a wide, softly padded headband. A cellular phone, communications radio, or other audio source can be connected to the auxiliary input. Up to 22 programmable channels in the 430-470 MHz band Also available as a wireless Bluetooth communications headset model English/Spanish/French ghost voice selection Noise-canceling microphone Privacy sub-channels (CTCSS/DCS): 38/0 Distance/coverage: up to 2 miles VOX and Push-To-Talk radio transmit Runs on two AA batteries or rechargeable Ni-MH battery pack Surround sound listening NRR 25 dB* *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation™.