This wireless-earphone adopts BT5.1 tech, which can provide clearer sound and more stable signal, suitable for most BT-enabled devices, like for iOS/Android smartphones, tablets, laptops, etc. Easy to connect and use.Features:TWS-BT earphones adopt advanced BT5.1 version, providing clearer sound and more stable signal. Fingerprint touching control, equipped with function buttons which let you easily control your music and answer the phone call.Adopt noise reduction technology to make voice call clearer.With large leds diaplay, you will know the batterys status clearly.Ergonomically designed for comfortable to wear and unable to throw away.Suitable for most BT-enabled devices, like for iOS/Android smartphones, tablets, laptops, etc. Easy to connect and use.Specifications:Model: BQC-01Material: ABSColor: BlackBT Version: 5.1Music Time: about 4 Hours ChargeTime: about 2 HoursEarphone-battery(Each Earphone): Lithium-Battery 38mAhCharging-box capacity: 200mAhPackage Size: 10010040mm/3.943.941.57inPackage Weight: 96g/3.39ozPacking List:2Earbud1Charge Box1USB Cable1User Manual