TS TAC-SKY C3 Silicone Earmuffs Active Noise Reduction Tactical Headset ARC Rail Helmet Mounting Version with PTTDescription: 1. helmet type different from the classic airsoft headset, helmet type headset can be mounted directly on the helmet. If you want to modify your headband headset, you can reduce a lot of steps. 2. High strength material The plug wire is made of ABS plastic and TEP cap, which is tensile, strong and frost resistant, not easy to age and harden. The power supply requires two AAA batteries (not included) 3. Silicone ear cups The ear cups are