F3 Retro Wood-Grain Mini Bluetooth Speaker Support TF Card 1. Material: ABS, electronic components 2. Functions: Bluetooth playback, hands-free calling, TF card playback, U disk playback, LIN IN playback, FM radio 3. Bluetooth version: 5.0 4. Effective distance: 10 meters 5. Channel mode: mono 6. Speaker specifications: 45mm, 4 ohms, 3W x 1 7. Diaphragm specifications: 3 x 4 cm 8. Signal to noise ratio: 75dB 9. Extended memory: 32G 10. Operation mode: button 11. Play format: MP3, WAV 12. Support format: TF card 13. Is there a radio function: yes 14. Frequency response: 60Hz-16KHz 15. Charging parameters: 5V 0.3A 16. Output power: 3W 17. Power supply mode: built-in lithium battery power supply 18. Battery capacity: 1200mAh lithium battery 19. Product size: 13.5 x 4 x 6.5 cm 20. Product net weight: 210 grams Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.