Fangrui Product Details 1. T&g Tg664 Led Portable Subwoofer Wireless Bluetooth Speaker 2. Features: 3. Bluetooth 5.3 Wireless Technology, Voice Calls, One-button Hands-free. 4. Tws Dual Speakers Can Be Connected In Series. Using Bluetooth, Two Speakers Can Be Connected In Series To Produce Super Bass And An Immersive Effect. 5. Led Breathing Light, Four-color Colorful And Gentle Breathing Light, Multiple Changing Modes. 6. Built-in Large-capacity Battery, Long Battery Life, Enjoy Listening. 7. Small Size And Large Capacity, Easy To Carry, Suitable For Outings. 8. Supports Multiple Platforms And Devices, And Multiple Connection Methods, Making It Easy And Portable. 9. Specification: 10. Bluetooth Specification: V5.3 11. Audio Noise Ratio: Greater Than Or Equal To 85db 12. Transmission Range: 10m 13. Battery Capacity: 1200mah 14. Built-in Voltage: 3.7v 15. Playing Time: About 2h (varies Depending On Audio Content And Volume) 16. Speaker Specifications: 52mmx1 17. Speaker Power: 4 Ohm10wx1 18. Frequency Response: 120hz-18khz 19. Size: 88.5x93.5x107mm 20. Weight: About 442g 21. Charging Input: 5v500 Ma 22. Packing List: 23. Bluetooth Speaker X 1 24. Usb Cable X 1 25. User Manual X 1