Features:1.Bluetooth 4.1 with the latest technology: low power consumption， long standby time， fast link speed2.Ears hanging 35 degree angle design: more suitable to wear， no longer have to worry about the movement off3.Intelligent fully compatible design: let you enjoy the wireless music anytime and anywhere4.Detachable ears hang design: detachable design， convenient to the needs of different people5.CVC6.0 professional noise reduction: unique sound chamber structure， but also significantly reduce the headphone sound leakage6.Smart yituo two technology: yituo two intelligent connection， two mobile phones only connect a bluetooth7.High quality PC button�� fashion design， exquisite workmanship Specifications:Model: MS-B7Style: ear hookTransmission Range: 10 metersBluetooth Protocol: 4.1Communication: wirelessStereo Audio: APTXWorking Hours: 1.5-2 hoursCommunication Time: about 3 hoursFunction: bluetooth， noise cancelling， microphonePackage Include:1 x ear hanging bluetooth headphone