SBT208C CSR3020 Chip TWS Earhook Wireless Bluetooth Earphone Type-Lenovo Spare Parts If you have a lot

If you have a lot of memory cards

and a light when charging

Two-way talk with noise cancellation

Oxford Cloth

SBT208C CSR3020 Chip TWS Earhook Wireless Bluetooth Earphone Type-Lenovo Spare Parts If you have a lot1. Channel: Mono 2. Bluetooth protocol: 5. 0 3. Transmission range: 10 meters 4. How to use: ear mounted 5. Function: call function, support music 6. Multi point connection, smart one for two. 7. Wireless transmission, stable connection without delay. 8. Built in large capacity battery, which can last for 8 hours. 9. Built in intelligent noise reduction system, CVC eliminates echo, and the sound quality of the call is clearer. 10. Ergonomically