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
