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
