Fangrui Product Details 1. T&g Tg639 10w Portable Led Light Tws Wireless Bluetooth Speaker 2. Adopt International Advanced Bt Chip And Circuit Design Technology To Support All Bt Devices. 3. Built-in Low-frequency Heat Sink, Ultra-dynamic Low-frequency Sound Pressure Gain, Transparent And Flexible Listening. 4. After Pairing With Bt Device, It Can Play Music, Such As Mobile Phonemidtv, And The Working Distance Is Greater Than 10m. 5. Support Aux In Audio Input. 6. Built-in Mp3 Decoding, Can Directly Play Tf Card, U Disk 7. Built-in Fm Radio Module To Facilitate Automatic Scanning And Saving Of Radio Channels. 8. Equipped With Hands-free Microphone Call Function 9. Support Tws 10. Product Specifications: 11. Bluetooth Version: V5.3 12. Propagation Range: 10 M 13. Audio To Noise Ratio: 95db 14. Battery Capacity: 1500mah 15. Built-in Voltage: 3.7 V 16. Game Time: About 2h 17. Charging Input: 5v500ma 18. Packing List: 19. Bluetooth Speaker X1 20. Usb Cable X1 21. User Manual X1