i31 Headphone

1. Bluetooth 5.3+ER/BDR

2. Chip: JL 6976D4                                                                         

3. Earphone capacity 50mA, charging case capacity 1200mA                                               

4. Music playing time: 5-7hours, charging times: 3 times                                                               

5. Speaker unit: Φ10mm 32Ω

6. Pause/play, volume up/down, up/next song

7. Binaural call, automatic pairing after power on

8. Waterproof rating: IPX4-5

9. Hi-Fi sound effect, chip intelligent noise reduction,                                                        

10. TYPE C charging port, private model patent                               

11. Wireless charging function is optional