Back Headband Electronic Tactical Headset Hearing Protection TSC5 Pro + PTT. Active Noise Reduction (ANR), Adjustable Headband, Gel-Filled Ear Pads, High Visibility, Independent Volume Control, Padded Headband, battery not include, for Airsoft, PTT. The headset uses the latest digital chip panoramic sound real environment sound processing technology and condenser microphone. The headset’s removable headband is rear-mounted and can be worn under a helmet. The headset features silicone ear cushions, a standard 7.00mm plug, and interchangeable left and right headset microphones. Headset hearing protection mode: Normal mode and Noise mode. Equipped with a PTT, compatible with baofen walkie-talkies using kenwoo 2 pin plug. Ote: This product does not contain batteries.