Earbuds wireless bluetooth headset

Bluetooth protocol: 5.0 Channel: stereoHow to use: Earplug typeSingle and double ears: bilateral three-dimensional description:1. English voice prompt.2. Send out the phone number.3. Visualize the functions of the IOS system.4. Answer/reject the call.5. Redial the last number.6. HD voice quality.7. Solution: high-end solution.8. Compatibility mode: compatible with all versions of Bluetooth.9. Signal transmission channel: Cassl2.10. Usage: Semi-in-ear style.11. Microphone sensitivity: -42DB high-end transmitter.12. The longest transmission distance: 10-15 meters. window.adminAccountId=239345850;