Features: 
1.ONE-STEP LINK TECHNOLOGY
Connect the earbuds to you phone via the bluetooth, after that the earbuds will automatically connect.

2.Single / Binaural use
You can choose to use a single headset or both ears.The headset can connect to two different devices at the same time.
3.Voice prompts
Caller number, power on, pairing, power off, disconnect the phone, low battery, etc.