1. AUX+Bluetooth playback mode
2. Full-range surround speakers, 360-degree surround sound quality
3. Projection night light, colorful night light, clock display
4. Touch buttons, short fleece cloth, LED screen digital display, crescent ring-shaped light-emitting surface
5. Frequency response range: 60Hz-15KHz
6. Charging time: 3 hours
7. Life time: about 14 hours
8. Connection method: Bluetooth connection
9. Interface type: USB
10. Voltage: DC 5V
11. Output power: 4W
12. Current: 1A
13. Signal-to-noise ratio: greater than or equal to 60dB
14. Transmission distance: 10 meters
15. Battery capacity: 1800mAh
16. Power supply: USB charging / built-in lithium battery
17. Size: 11.4×11.4×8.4cm
18. Material: ABS
19. Weight: 465g