BT12 Motorcycle BT Headset Helmet Headset with Microphone Motorcycle BT Interphone for Phone Call

Features: The helmet BT?headset is designed according to the internal structure of the motorcycle helmet. Using the latest 4.1+EDR BT?technology, superior signal transmission.?Ultra low power consumption, supporting all BT?devices. Support automatic phone answering function, safe and fast. Support up and down music, volume addition and subtraction, playback pause, automatic callback and other functions, easy to operate and use. Builtin 500mA large capacity battery, long standby and working time. Specification: Product name: helmet BT?headset Color: Black BT?version: V4.0+EDR Frequency range: 2.4026GHz2.480GHz Maximum Number of Speakers: 2 Transmission distance: 10M (transmission distance varies depending on environmental factors and devices) MIC distance: less than 1 meter Battery: 3.7V500mA rechargeable bttery(builtin) Charging time: 45 hours Standby time: about 180 hours Continuous working time: about 32 hours Item size:5*3.5*1.2?cm 1.97*1.38*0.47?in(L * W * H) Item weight: Approx.116g 4.09oz Package size:19*13.5*2.3?cm 7.48*5.31*0.91?in(L * W * H) Package weight:173g 6.1oz *Note: Headphone only, no helmet included. Packing list: 1 *?BT Headset 1 *?USB Cable 2?*?Magic Sticker Bottom 2?*?Magic Sticker Top 1 *?User Manual ?