Specifications:Bluetooth version 4.1Color: Black, blue, green, red,Distance within 10 metersSupport equipment, computers, mobile phones, game consoles, tablet PCs, and so onBattery capacity 60MAHFeatures, lightweight sports headphonesCall function, click to listen to a long press refused to call, click on the call, double-click the last number from the broadcast.Support the power switch functionWorking state to 4 hours or soStandby time about 120 hoursSupport HFP, A2DP, AVRCP.Support for playing music, up and down, pause, volume addition and subtraction.