1. Built-in 1500 mAh sufficient amount of 18650 original battery
2. Equipped with wired karaoke microphone
3. 10W high power, with boost
4. Perform Bluetooth playback test at 80% volume, playback time: 2-3 hours, charging time: 3-4 hours (playing time varies with volume and audio content)
5. Support USB, TF card, AUX audio playback, FM radio, cyclic charging, Bluetooth, TWS function
6. Output power: 2*5W
7. Speaker: 2, external magnetic 4 ohm 5W
8. Signal to noise ratio: greater than or equal to 80dB
9. Bluetooth standard: 5.0+EDR
10. Working distance: greater than or equal to 10 meters
11. Input voltage: less than or equal to DC5V (1A)
12. Size: 25.5x10x13.3 cm
13. Weight: 760g