Specifications:Provide high sound quality.Built-in microphone to answer phone call.Lightweight and small design, easy to carry around.Magnetic design, can be hung to prevent from losing.Button control: volume down/up, next/previous song.Built-in rechargeable battery, fast charging and long time use.Compatible with various bluetooth-compatible enabled devices.Type: bluetooth-compatible EarphoneBluetooth: V4.1Battery: Built-in 65mAh Polymer Lithium BatteryBluetooth Range: 10mTalk Time: About 4 HoursMusic Play Time: About 4 HoursStandby Time: About 160 HoursSupport: A2DP, AVRCP, HFP, HSPNote: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Package Includes:1 x bluetooth-compatible Earphone1 x Charging Cable1 x User Manual