Fangrui Product Details 1. Ts-bt35fa02 3.5mm Bluetooth Audio Transmitter & Receiver, Transmission Distance: >10m, For Iphone, Samsung, Htc, Sony, Google, Huawei, Xiaomi And Other Smartphones 2. Connecting Audio Input Line To Change The Common Sound-box To Bluetooth Sound-box 3. Complies With Bluetooth 2.0, 2.1 4. Support: A2dp V1.2 5. Powered By 5v Dc 6. Transmission Distance: Up To 10 Meters 7. 2 Indicators Flicker Alternately When There Is No Connection. Blue Light Flicker Slowly After Successful Connection 8. Easy To Use By Connecting Audio Input Line To Change The Common Sound-box To Bluetooth Sound-box 9. High Sensitivity Level, High Performance Chip 10. Compact And Human-friendly Design, Convenient To Carry, Beautiful Out Looking 11. Optional Powered Directly With Power Adapter Or Powered By Pc Usb Port 12. Optional Embedded Battery Which Has Long Working Life 13. Optional Bluetooth Audio Transmitter To Get Better Result 14. Low Power Consumption And Long Continuous Working Time 15. Support Digital Products With Bluetooth Function, Such As Bluetooth Cell Phone, Bluetooth, Pc, Phone