Features100% brand new and high qualityMagnetic suction design, easy to wear3D stereo, Leisure listen to the music, CallVolume adjustment, Chinese and English voice switching,Call voice number functionOperation voice prompt function, System shows the power display,Specification :Rainwater and sweat proof Power display BT Version:4.2 Transmission Range:10M Playing Time:5h Built-in Voltage:3.7V Charging Time:2h Standby Time:360h Battery Capacity:90mAhPackage Included:1 x Bluetooth Headphone1 x USB Charging CablePacked Safely in Bubble Bag.