Fangrui Product Details 1. Car Aux Bluetooth 5.3 Audio Receiver Transmitter 2. Material: Abs 3. Input: 5v1a 4. Suitable For: Computer, Tv, Projector (transmitter Mode)car, Speaker, Headset (receiver Mode) 5. Receiving Modetransmitting Mode: Audio Playback Device Connected To The Speaker, Receiving Wireless Signals, Wirelessly Playing Music 6. Connect Audio Output Device, Transmit Wireless Signals, Use Paired Wireless Headsets To Play Music Wirelessly 7. Equipped With Bt V5.3, Faster And More Stable Connection 8. 250amh Battery, Extended Use Time 9. Audio Decoding, With Sbc Audio Decoding Function, Providing High-quality Sound 10. Multi-protocol Support, Compatible With Hsp, Hfp, A2dp, Avrcp Protocols, Wide Range Of Uses 11. Extended Transmission Range, Providing Up To 10 Meters Of Transmission Range, Achieving Uninterrupted Audio Experience 12. The Car Audio Becomes A Bluetooth Audio In Seconds, Supports Automatic Reconnection, Enjoys Mobile Music, Audiobooks, High-definition Voice Navigation Broadcast, And Safer Driving 13. Support Sbc High-definition Audio Encoding, High Sampling Rate, Clear Sound Quality, Get Rid Of Noise, Current Sound, Restore Sound Details, Enjoy Beautiful Music 14. Equipped With Bluetooth 5.3 Chip, Built-in Ceramic Antenna To Enhance The Transmission Signal, The Connection Is More Stable And Smooth, The Response Is Fast, The Anti-interference Is Stronger, The Transmission Is More Stable, And Delaystuttering Is Rejected 15. Strong Battery Life, Built-in Large-capacity Battery, Charging For 2 Hours, Listening To Music For About 14 Hours, More Durable Than Wireless Headphones 16. Net Weight: About 20g 17. Size: 47.6x46.8x15.2mm