F1 Bluetooth 4.2 Stereo Speaker, Support Hands-free / AUX Audio / TF Card / FM(White)

1. Material: ABS, electronic components 2. Function: insert card, radio, voice prompt, call function 3. Bluetooth version: 4.2 4. Receiving distance: 10 meters 5. Channel mode: 2 6. Number of speakers: 2 7. Frequency response: 60Hz-15KHz 8. Signal-to-noise ratio: greater than 75dB 9. Play format: MP3, WAV 10. Radio function: support 11. Expansion storage: 16GB (Not included) 12. Battery capacity: 1200mAh lithium battery 13. Charging time: 2-3 hours 14. Standby time: about 3 days 15. Music time: 7-10 hours 16. Dual speakers + bass diaphragm, 360 degree all-round sound 17. Selected alloy passive membrane, the bass is stronger, the treble is clearer, and the sound is more three-dimensional and full 18. Dimensions: 16 x 6.5 x 4 cm