Oxygen bar Car Bluetooth Headset

Plastic Auto Oxygen bar Car Bluetooth Headset BT4.0 , White / Black Quick Detail: 1. Auto power on/off 2. Auto pairing 3. Auto answer/hang up 4. Healthy Call 5. Phone charger 6. Oxygen bar 7. Auto charging Description: 1. X1 healthy call is a bluetooth headset with oxygen bar. 2. Can Pair with 2 phones at the same time, answer and hang up the call, compatible for most phones and tablets, the oxygen bar release ions in car to make the air clean, also can charge the phones.