1. Output power: 3W
2. FM radio: 76MHz-108MHz
3. Working voltage: DC 3.7V
4. Charging voltage: USB input DC 5.0V 500mA
5. Lithium battery capacity: 1500 mAh （Battery is not included）
6. Basic function: MP3
7. Interface type: AV
8. Input voltage: 220V
9. Support format: TF card
10. Speaker: 1.5 inches x 1 + passive radiator x 1
11. Play format: MP3, WMA, WAV
12. Audio classification: Card
13. Speaker box material: Engineering plastic
14. Channel: 2
15. Expansion interface: USB
16. Input voltage: 220V
17. Impedance: 0.45
18. Play format: MP3, WMA, WAV
19. Dimensions: 123x32x67 mm
20. Net weight: about 158 grams
21. Play time: 8 hours
22. Extended storage: 32GB
23. Bluetooth protocol: 2.1
24. Speaker effect: 3D surround

Packing list:
1. Machine x 1
2. Lanyard x 1
3. USB charging cable x 1
4. Instructions x 1
5. Certificate of conformity x 1