K5C CSR3020 Chip TWS Earhook Wireless Bluetooth Earphone

1. Channel: Mono 2. Size: 5.5×4.3x8cm 3. Weight: 12g 4. Material: ABS/PP/Silicone 5. Function: call function, support music 6. Transmission range: 10 meters 7. Battery capacity: 110mAh 8. Bluetooth protocol: 5.0 9. Plug Type: USB 10.Mode of use: hanging ear type 11. Wireless transmission, stable connection without delay 12. Built-in ENC noise reduction system, clear sound quality 13. Ergonomic design, comfortable to wear