1. Version: Bluetooth V3.0+EDR 2. Support:A2DP,Headset,Hands-stereo 3. Talking time:3-4H 4. Standby time:>100H Specifications:1. Version: Bluetooth V3.0+EDR2. Support:A2DP,Headset,Hands-stereo3. Talking time:3-4H4. Standby time:≥100H5. Effective distance:10M6. Charging time:within 2h7. Charging boltage: DC 5V8. Machine size:43×17×24mm9. Machine weight:7.5g10. Package size:131×102×47 mm11. Total ...