Rolton W405 Portable Mini FM Radio TF Card USB Receiver Music Player with LED Display(Blue)

1. Output power: 3W2. FM radio: 76MHz-108MHz3. Working voltage: DC 3.7V4. Charging voltage: USB input DC 5.0V 500mA5. Lithium battery capacity: 1500 mAh （Battery is not included）6. Basic function: MP37. Interface type: AV8. Input voltage: 220V9. Support format: TF card10. Speaker: 1.5 inches x 1 + passive radiator x 111. Play format: MP3, WMA, WAV12. Audio classification: Card13. Speaker box material: Engineering plastic14. Channel: 215. Expansion interface: USB16. Input voltage: 220V17. Impedance: 0.4518. Play format: MP3, WMA, WAV19. Dimensions: 123x32x67 mm20. Net weight: about 158 grams21. Play time: 8 hours22. Extended storage: 32GB23. Bluetooth protocol: 2.124. Speaker effect: 3D surroundPacking list: 1. Machine x 12. Lanyard x 13. USB charging cable x 14. Instructions x 15. Certificate of conformity x 1