S61M RGB Rhythmic Light Karaoke Wireless Speaker, Style:Single Mic(Black)

Parameters: 1. Bluetooth version: 5.2 2. Transmission distance: about 10m 3. Battery capacity: 4400mAh 4. Charging time: 4.5 hours 5. Playing time: 2.5-4 hours 6. Standby time: about 90 days 7. Speaker specifications: 66mm 8. Frequency response: 20Hz-20KHz 9. Signal-to-noise ratio: greater than or equal to 85dB 10. Distortion: less than 1% 11. Charging voltage: DC 5V 12. Working voltage: 3.7V 13. Waterproof grade: IPX4 14. Charging interface: Type-C Features: 1. High-power speaker + bass diaphragm design, rich and textured sound 2. 360-degree shocking surround sound, as if you are in the scene 3. Built-in noise reduction microphone, high-definition hands-free call, free your hands 4. Cool lighting design, multiple lighting changes, bring you a relaxing and pleasant music atmosphere 5. Built-in 4400mAh battery, meet daily use needs, long-lasting battery life 6. Equipped with 2.4G wireless microphone, you can enjoy karaoke with friends and family