1. Bluetooth version: JL6976
2. Transmission range: 10m
3. Horn: F13 composite film horn
4. Charging case battery capacity: 701230-300mAh with protection
5. Headset battery capacity: 35mAh
6. Music time: about 4H
7. Call time: about 4H
8. Working voltage: 5V
9. Touch / button: touch
10 product color: black and white
11. Automatic pairing / automatic boot / incoming call playback / call / touch / up and down music selection / increase or decrease volume