bicycle audio, bicycle speaker, bicycle stereo

1. Speaker output power 2*3W
2. Duration for continuous play For speaker: about 10---25 hours (depending on volume)
For earphone: about 65 hours
3. USB charging About 5 hours
4. FM radio 87-108M
5. Storage capacity N/A (external TF card) Max. 32G
6. Music format MP3/WMA (up to 384kbps)
7. Working temperature -18-40 Degrees Celsius
8. Overall Dimensions 55*80*120MM
9. Weight 300 g