Motorcycle Helmet Riding Hands Free Headphone Bluetooth headset earphone

Bluetooth version: V4.0 + EDR Frequency range: 2.4026GHz-2.480GHz Function:music ,voice control ,call Transmission distance: 10M (The transmission distance varies depending on environmental factors and mobile phone Bluetooth devices) MIC distance: ≤1 meter Lithium battery: 3.7V / 90mA Charging time: 2.5 hours Bluetooth distance: 10M Color Black Package size: 16X11X7.5 cm Standby time: about 60 hours Continuous working time: about 6 hours Bluetooth name: Music Hat Net weight of product in single bag: 80 G Wirelessly listen to music with integrated technology.Fashion design, let music surrounding your life any time.Hands free function, truly free your hand.Set-in rechargeable Li-ion battery, long stand-by and working time.Built for all weather conditions.