TM-701  Dynamo Multifunctional Player  Model: TM-701  Product Size: 19×12.5*9cm Unit Weight: 583g Material: ABS, PS Qty Of Package: 24pcs/ctn Carton Size: 58×41.5×35.5cm N/G Weight: 18/17KGS Patent No: 201130226822.91 Functions: 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.