This product is equipped with the latest noise cancellation function and surround sound function. In order to better combine with helmets MICH, ACH, FAST, etc. And hats, a headband is added at the back of the head to fix the position. Higher strength to reduce the possibility of breakage; better elasticity for a tight fit of the headset to the ear. The ear cups are made of silicone instead of ordinary sponge. As a result, these ear cups are more flexible and firm, and more comfortable for your ears to wear. You can hear radio communications clearly, even in extreme conditions. Equipped with U94 Kenwood 2-Pin Plug – With the 7.0mm military plug and PTT button, this headset works perfectly with the supplied U94 K plug. This product does not include batteries, only the headset + U94 PTT. If you have any questions, please contact customer service, we will reply as soon as possible.