1. Built-in 1200 mAh sufficient amount of 18650 original battery
2. 10W high power, diaphragm with frequency light
3. Perform Bluetooth playback test at 80% volume, playback time: 3-4 hours, charging time: 3 hours (playing time varies with volume and audio content)
4. Support Bluetooth connection/hands-free call/FM radio/USB, TF card, AUX audio playback/cyclic charging/TWS serial function
5. Output power: 2*3W
6. Speaker: 2 pcs, external magnetic 4 ohm 5W
7. Signal to noise ratio: greater than or equal to 80dB
8. Bluetooth standard: 5.0+EDR
9. Working distance: greater than or equal to 10 meters
10. Input voltage: less than or equal to DC5V (1A)
11. Size: 21.8x5.89x8.9cm
12. Weight: 473g