1. ABS environmental protection material, skin-friendly feel
2. Built-in high-definition microphone, hands-free calls are clear and not stuck
3. Bluetooth stable transmission, low latency and no lag
4. Warm atmosphere night light, bluetooth speaker
5. Material: ABS + electronic components
6. Input current: 1A
7. Output power: 3w
8. Working voltage: DC 5V
9. Power supply mode: USB charging / built-in lithium battery
10. Battery capacity: 400mah
11. Bluetooth protocol: 5.0
12. Charging time: about 2 hours
13. Playing time: about 4-6 hours
14. Speaker: 4 ohms 3 watts
15. Playback format: MP3, WMA
16. Supported formats: Bluetooth, SD card, TF card
17. Connection method: Bluetooth connection
18. Function: card insertion, voice prompt
19. Interface type: USB
20. Frequency response range: 100-20000Hz
21. Signal-to-noise ratio: greater than or equal to 70dB
22. Product list: speaker, manual, data cable, packing box
23. Dimensions: 96x56x51mm
24. Weight: about 172g