VEECOME Universal Motorcycle Helmet Headset Bluetooth Dual Stereo Speakers Hands-Free Music Call Control Mic Earphone Durable Description: Item type: Helmet bluetooth headset Color: Black Gross weight: 160g Playback time: ≤8 h Working mode: Blue light slowly flash Charging cable length: Approx. 82cm Li-ion battery: 3.7V/150mA Dimension: 43x16mm Bluetooth version: 4.0+EDR Transmission range: 10 meters Charging mode: Red light on Length of cable between two earphones: 450mm Charging voltage: 5V Frequency: 2.402GHz-2.480GHz Charging time: ≤1h Standby time: ≤160 Features: ----Easy to use, stereo headphone. ----Hands free function, truly free your hand. ----Set-in rechargeable Li-ion battery. Package includes: A Pair Helmet Bluetooth Headset 1 * Charging Cable 1 * User Manual Note: The colors deviation might differ due to different monitor settings. Please contact us first when you have any problem, and we will give you the best service and solve the problem ASAP. Thank you so much.