1. Bluetooth version: Blue News V5.0
2.. Transmission range: 10m
3. Horn: F6 copper ring
4. Charge case capacity: 200mAh with protection
5. Headset capacity: 40mAh
6. Music time: 2.5-3.5h
7. Talking time: 2-3 hours
8. Working voltage: 5V
9. Touch / button: touch
10. Product color: black and white
11. Features: automatic boot / automatic pairing / up and down music selection / add / decrease volume / start siri function / incoming call voice playback / terminal redial / charge tank battery display
12. Size：8cm x 5cm
