T&G J18 Bluetooth 5.1 TWS Wireless Binaural Bluetooth Earphone with Charging Box

1. Bluetooth version: 5.1
2. Battery capacity: earphone 30mAh, charging compartment 300mAh
3. Standby time: 1200 hours
4. Binaural talk: 4 hours
5. Single ear charging: 10 times
6. Small size, easy to carry
7. Ergonomic design, comfortable to wear
8. Anti-fingerprint, anti-scratch, waterproof and sweat
9. Material: ABS+PC
10. Communication distance: 10-15m
11. Frequency range: 20Hz-20kHz