wireless Bluetooth headset

Bluetooth protocol: 5.0

Channel: Stereo

Application: Earphones

Single and dual ear: Bilateral 3D sound

Description:

1. English voice announcement

2. Caller ID

3. Display of iOS system functions

4. Accept/reject calls

5. Repeat election

6. HD voice quality

7. High-quality solution

8. Compatibility: Compatible with all Bluetooth versions

9. Signal transmission channel: Cassl 2

10. Wearing style: Semi-in-ear

11. Microphone sensitivity: -42 dB (high-quality transmitter)

12. Maximum transmission range: 10–15 meters