This is a BT-12 motorcycle helmet Bluetooth headset box.This kit is designed for hands-free calling and music streaming while riding.It is compatible with various helmet types, including off-road, flip-up, and full-face models.Features typically include automatic call answering, a built-in microphone, and weatherproofing for durability.The headset generally takes 4-5 hours to charge and provides several hours of continuous operation.