PLAY X STORE Wireless HD Voice earphone - Mini Universal Headset With Microphone,In-ear Earbuds-GRAY Cell phone bluetooth earpiece:Bluetooth 4.0+EDR:Provide more stable Bluetooth signal and lower Power Consumption. Bluetooth mini earbuds for driving:Crystal clear and nature voice based on DSP digital noise cancelling and stable bluetooth signal. Active pairing:Easy and fast pairing with your bluetooth devices.Automatically pairing in next time. Bluetooth earpiece:Two size medical grade sofe ear tips and one rotation ear-hook for more comfortable and securer. Wireless hands free earbuds:Support voice prompt,multi-function key and volume key to control phone call and music.