1. Earphones can be plugged in, real-time monitoring by ear return
2. Preferred ABS material, safe, environmentally friendly and durable
3. Round and no burrs, no damage to small hands
4. Karaoke time: 480 minutes
5. It is both a microphone and a desktop audio
6. Bluetooth protocol: 5.0
7. Signal to noise ratio: greater than or equal to 100db
8. Operating distance: 10 meters
9. Frequency response range: 20-20000HZ
10. Charging time: about 1.5 hours
11. Playing time: about 7 hours
12. Power supply mode: USB/built-in lithium battery
13. Battery capacity: 1800 mA
14. Packing list: microphone + manual + charging cable + packing box
15. Standard version: wireless Bluetooth version, smart beaut, deep noise reduction, compact and easy to operate
16. Ultimate version: AI wireless Bluetooth version, AI smart song, deep noise reduction, compact and easy to operate
