1.Many different kinds of colour for your choose. 2.It can be used to listen music or answer call

Key specifications:

Bluetooth specification: V2.1+EDRBluetooth profiles supported: HSP, HFP, A2DP and AVRCPOperating distance: 10 meters Class IIRechargeable 230 mAH Li-polymer batteryTalk time: Up to 11 hoursMusic playing time: Up to 10 hoursStandby time: Up to 250 hoursCharging time: About 2.5 hoursCharge input voltage: DC 5VDimensions: 162×153.5×32 mmWeight: 103 g

Special features:

Extreme comfort from adjustable head hand and earplug.Embedded microphone for hands-free conversation from Bluetooth-enabled mobile phones.Enjoy stereo music wirelessly from Bluetooth A2DP devices.Pause the music & Play back automatically when receives an incoming call.Support remote control of play/pause, previous/next track, volume up and volume down.Automatically connect to the last connected Bluetooth device.Call transfer between the headset and Bluetooth mobile phone.Charging via 2.5mm DC jack.APTX version is also available upon requested.It is not water-resistant and not suitable for strenuous exercises.

ESD TEST:

          

Retractable design: