1. Can play MP3 music from TF card and USB flash drive(MAX 16G); 2. With FM/AM/MW/SW radio, radio can automatically scan and memory channels, and also can memory radio channels and delete radio channels manually; With TUNING knob, can use to turn to find out the radio channels you want to save; 3. With audio line in jack, can easily and perfectly to connect to your computer, MP3, MP4, mobile phones,iphones,PSP, etc 4. With a rechargeable BL-5C Lithium battery, can charge by connecting USB charging cable to computer or USB power adapter, or by universal charger, etc; 5. With standard 3.5mm earphone jack, available for earphones to listen to radio and music; 6. Be available to select radio channels and MP3 music with 0-9 number buttons. It is user-friendly; 7. With MP3 repeating and looping function, can control to loop the current ONE/ALL MP3 music; 8. In MP3 mode, when power off, can playback the current one song when power on next time; 9 . With large LED display screen; 10. Made of ABS plastic(UV shell). Specifications: (1) Input power: 5V 500MA (2) Maximum output: 3W (3) Battery capacity: 800mAh (marked 1000mAh) rechargeable BL-5C battery (4) Signal to Noise: 87dB (5) Decoding format: MP3 (8-320Kbps) (6) FM radio: 87.5-108MHz; AM/MW radio: 522-1710KHz; SW: 2300-21950KHz (7) Loud Speaker: 40mm 3 5W (Internal magnetic) (8)Charging time: 3-5 hrs (9)Play time: 3-10 hrs (10)Size: L128*W29*H83mm