New Rixing NR-4500M Bluetooth 5.0 Portable Outdoor Karaoke Wireless Bluetooth Speaker with Microphone(Red)

1. Built-in 1500 mAh sufficient amount of 18650 original battery2. Equipped with wired karaoke microphone3. 10W high power with boost4. 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 function6. Output power: 2*5W7. Speaker: 2 external magnetic 4 ohm 5W8. Signal to noise ratio: greater than or equal to 80dB9. Bluetooth standard: 5.0+EDR10. Working distance: greater than or equal to 10 meters11. Input voltage: less than or equal to DC5V (1A)12. Size: 25.5x10x13.3 cm13. Weight: 760g