M3201 Portable Colorful Bluetooth Speaker Home Retro Karaoke Dual-Mic Speaker 1. Bluetooth version: V5.2 2. Transmission distance: 10M 3. Speaker diameter: 78mm x 2 4. Speaker power: 6 ohm 10W x 2 5. Frequency response range: 80Hz-20KHz 6. Battery capacity: 3600mAh 7. Charging time: about 5H 8. Working time: about 2-6H 9. Charging interface: Type-C 10. Product size: 271 x 151 x 168mm 11. Product weight: 2085G 12. Product functions: TFFMUSBBTAUXTWSMIC 13. Supports multiple playback modes, including Bluetooth, TF card, AUX, etc. 14. With RGB colorful lighting effects, the lighting changes with the rhythm of the music, giving it a more atmospheric feel. 15. Built-in 3600mAh large-capacity lithium battery, long-lasting battery life without stress, and can work for a long time 16. Rich control panel buttons, you can switch your favorite content with one click to satisfy your music pursuits 17. Supports mobile phonestabletsTVslaptops and other systems, and is compatible with all major karaoke applications