Crystal Digital Bluetooth V 4.0 Headsets With Vibration & Call Function & Dolby Digital Sound I6 Wireless Bluetooth  (Black, In the Ear)

In-built Li-battery for portable use, and has USB port for recharging Contain a stressed out earphone, can also be for stressed out earphone right away, or use as Bluetooth.In-built Li-battery for portable use, and has USB port for recharging Contain a stressed out earphone, can also be for stressed out earphone right away, or use as Bluetooth Earphone with Bluetooth receiver Round buttons, and fitter fingers, more symmetrical design, easy and sublime Regulate Power, Pause, Volume, Previous, Next on Bluetooth Receiver