Bluetooth Wireless Connection Strong shake stereo music / audio function (using A2DP transmission phone / MP3 / GPS) Standard Bluetooth technology, fully compatible with other Bluetooth devices, such as a Bluetooth mobile phone, MP4 Bluetooth, GPS, Bluetooth, etc
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Long standby Built-in 850mAh Li-ion battery, up to 12 hours of talking time and 8-10 hours of listen to music, up to 360 hours of standby time.
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Compact and Lightweight Easy installation and operation, fit for most open-face, flip-front and full-face style helmets, ideal for any motorcycle helmet and skiing helmet, wont damage it.
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