GQ-18 RGB Colorful Mech Mechanical Waterproof Wireless Bluetooth Desktop Subwoofer 1. Blue tooth version: 5.5 2. Effective distance: 15 meters 3. LED Lighting: RGB 4. Output Power: 10W x 2 5. Frequency Range: 75Hz-20KHz 6. Battery capacity: 3100MAH 7. Charging time: 2-3h 8. working time: 4-5h 9. Standby time: 10h 10. Frequency Range: 100HZ-20KHZ 11. Product size: 23.7 x 12.8 x 6cm 12. RGB light can create a cheerful atmosphere for family entertainment 13. 20W high-power provides excellent sound quality 14. Support TF Card, USB flash disk plug and play, support audio input function (AUX） 15. The product has the function of TWS interconnection, which can connect the same two products to form left and right stereo sound 16. It is a mini speaker, Very convenient to carry around. With the long playing time, you can have a small party wherever you like 17. 360-degree stereo sound, specially designed with the TWS function for a room-filling stereo sound to provide 3D stereo surround sound 18. Equipped with a charging base, making charging more convenient to use 19. Mechanical cyberpunk, retro knob volume button, more design feel 20. Package includes A. 1 x Bluetooth speaker B. 1 x USB cable C. 1 x User manual