•This helmet Bluetooth-compatible headset is carefully designed by the designer according to the internal structure of the motorcycle full helmet/half helmet •Using the latest Bluetooth-compatible 5.0+EDR Bluetooth-compatible technology, superior signal transmission, ultra-low power consumption •Full Bluetooth-compatible device, with automatic answering function, can switch manual answering function, safe and fast to operate •The built-in high-quality anti-interference microphone can effectively realize hands-free answering and hanging up calls, with high fidelity sound quality •Support the previous or next song function, volume increase and decrease, playback pause, automatic callback and other functions, easy to operate Specification: •Bluetooth-compatible version: V5.0+EDR •Standby time: 180 hours •Transmission distance: 10M (transmission distance varies due to environmental factors and mobile phone Bluetooth-compatible devices) •Microphone distance: ≤ 1 meter •Lithium battery: 3.7V/500mAh •Frequency: 2.402GHz-2.480Ghz •Bluetooth-compatible pairing distance: 20-30 meters (depending on the device) •Playing time: 20 hours •Charging time: 4-5 hours •Connection name: BT12 Package included: •1 x Helmet Bluetooth-compatible Headset •1 x Charging Cable •2 x Magic Tape •1 x Microphone Magic Tape •1 x Accessories Pack •1 x English and Chinese User Manual •Helmet Not Included