1. Material: ABS+silica gel+cloth 2. Bluetooth chip: Shuangshanjing 1048B2 3. Bluetooth version: BT 5.0 4. Speaker power: 40Wx2+20Wx2 5. Bluetooth distance: about 10m 6. Battery capacity: 15600mAh 7. Music time: about 6 hours 8. Charging time: about 6h 9. Output power: 90W 10. Three playback sound effects, support UHF wireless microphone 11. Support 433 remote control function, with a UHF microphone, you can sing karaoke anytime and anywhere 12. With OTG and reverb function
