1. Pickup: dynamic microphone 2. Speaker power: 4 ohm 6W*1 (speaker output) 3. Frequency response range: 30HZ-20KHZ 4. Bluetooth version: 5.0 5. Power supply: 5V 18650 battery 6. Battery capacity: 2000mah 7. Life time: 4-6H 8. Charging time: 3H 9. Microphone material: aluminum alloy 10. The lighting will change according to the rhythm, creating an interesting atmosphere 11. Adopt 52mm large-diameter 18-core dual magnetic speakers, equipped with a rear-moving diaphragm, with good bass effect and clear sound 12. Built-in reverb adjustment, easily adjust the accompaniment music 13. Support one-key mute function, easy to use 14. TF card can be inserted 15. Compatible system: IOS, Android, Windows 16. Size: 259x70mm