ITEM NAME:Portable Helmet Headset Bluetooth Waterproof Anti-Interference Helmet Earphones Description: Bluetooth 5.0 EDR Version, Hi-Fi earphone with hands free function Set-in rechargeable Li-ion battery, long stand-by and working time Support power displaying on your Phone, easy to know when will to be charged DIY design, available to be detachable when you want Press the button of helmet headset to answer phones, call back automatically or select the next song to ensure your riding safety Specification: Item Length: 15cm Bluetooth Version: V5.0 EDR Working Distance: Within 20-30M Obstacle-Free Frequency: 2.402GHz-2.480GHz Package Includes: 1 Piece Motorcycle Helmet Bluetooth Headset 1 Piece Charging Cable 1 Piece User Manual Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. SKU: DMO0013238168032815.Bluetooth 5.0 EDR Version, Hi-Fi earphone with hands free function. Bluetooth Version: V5.0. 1 Piece User Manual. SKU: DMO0013238168032815. 1 Piece Charging Cable.