Dynamo Multifunctional Player with 4 LEDs
1. Music player support SD card,USB flash drive,Can be used as a  loud speaker of your PC,MP3,Mobile Phones etc.
2. Sensitive AM/FM radio.
3. Power generated by crank dynamo.no exterior adapter is needed.
4. Blink & siren for emergency.
5. Can charge different mobil phones and digital products.