Fangrui Product Details 1. Description: 2. Usb Bluetooth 5.0 Adapter Can Be Used For Almost All Devices With Audio Input/output (3.5mm Auxiliary Audio Interface). 3. Transmission . To Tv With 3.5mm Aux Cable And Enjoy The Film With Bluetooth Headset , 't Disturb Others 4. Aux : Using Car' , With Bluetooth Function ,and Enjoy The Music From Or Tablet 5. Usb : Using Car's Usb Disk Port , With Bluetooth Function And Enjoy The Music From Or Tablet. 6. Suitable Type: Computer, Tv, Projector (transmission )/speaker, Headset, Car Machine, Call (reception ). 7. Specification: 8. Model: Bls-tx2 Tx2-1 9. External Power Supply: With External Power Supply, Plug 10. Transmission Rate: 100 11. Effective Working :5 12. Operating Frequency: 2.4 13. Color:black 14. : Usb/3.5mmaux 15. Transmission Distance: 10m 16. Bluetooth Version: 5.0 17. Material: Abs 18. Size Chart: 19. 45x21x11mm/1.77x0.83x0.43inch 20. Package Includes: 21. 1 Piece Wireless Audio Transmitter Receiver 22. 1 Piece 3.5mm Audio Cable 23. 1 Piece Manual 24. Note: 25. Please Allow Slightly Error Due To Manual Measurement. 26. Due To Between Different Monitors, The Picture May Not Reflect The Actual The Item. 27. 3 Shopping!