main business:Bluetooth headphones, wireless headphones, Bluetooth earphones, wireless earphones, sport Bluetooth earphone, workout Bluetooth earphone, Bluetooth earbuds, wireless earbuds, Bluetooth sport headphones,Bluetooth headphones for running, wireless running he
main business:1. Bluetooth Module 4. CSR Bluetooth
2.bluetooth audio transmitter module 5. Bluetooth Low Energy
3. bluetooth audio module 6.a2dp bluetooth
