KOKKIA Helmet Bluetooth Earphone - usb 1 Lithium Ion batteries required.

Motorcycle/ski/snowboard/sky-diving/extreme-sports Helmet Bluetooth stereo music and voice earphones. Created to provide quality sound and music, while you bike and/or enjoy your sporting activity. Pick up incoming voice calls by saying "hello" without using your hand to press any button. Compatible with: - KOKKIA i10s, i10, iAdapter (iSplitter, iTransmitter, iTransceiver), A10m, A10 Bluetooth Transmitter products. - Bluetooth iPhone, iPad, iPod Touch, Android, Windows, etc Phones. - Devices that implement Bluetooth Stereo A2DP and/or Headset/Handsfree transmit functions. - Transmitters that implement Bluetooth Stereo A2DP transmit function. Includes: - Bluetooth Helmet Earphone - USB charging cable Does not include helmet, audio player/phone, bluetooth transmitter device.