1. Can play MP3 music from TF card and USB flash drive. <br/>2. With FM radio, radio can automatically scan and memorize channels. <br/>3. With a rechargeable Y-06 lithium battery (included), can charge by connecting USB charge cable to computer or USB power adapter. <br/>4. With standard 3.5mm earphone jack, available for earphones to listen to radio and music. <br/>5. Be available to select radio channels and MP3 music with 0-9 number buttons. It is user-friendly <br/>6. With MP3 repeating function, can control to loop the current MP3 music. <br/>7. In MP3 mode, when power off, can playback the current one moment when power on next time. <br/>8. This speaker is very mini portable and light, really very convenient to take it out. <br/>9. It adopts special ultra thin bass speaker, which enables it to have a much better high-pitched and bass HIFI sound, which can not be solved if use normal quality thin speaker.<br/>10. With LED flashlight, very convenient when out in dark night. <br/>11. FM radio frequency: 87.5-108Hz. <br/>12. AM radio frequency: 522- 1710KHZ (With AM, you have more choices when listening).<br/>13. Charged by DC 5V 500mA