1. Can play MP3 music from TF card(MAX 16G);2. With FM radio, radio can automatically scan and memory channels;3. With audio line in , can easily and perfectly to connect to your computer, MP3,MP4, mobile phones, , PSP, etc;4. With standard earphone , available for earphones to listen to radio and music;5. Be available to select radio channels and music with 0-9 number buttons. It is user-friendly6. With music repeating fuction, can control to repeat the current ONE/FOLD/ALL MP3 file; 7. Can choose previous folder or folder to play; Output Power:3WPlayback Function:RadioFrequency Range:100Hz-20KHzFM Radio style:FM (87.5-108MHZ)Decoding format:MP3 (8-320Kbps)Built-in -polymer battery:3.7V/500mAh, rechargeableFunction:FM radio, MP3 player, computer speaker, Input power: 5V 500mA Signal to Noise: 87dB Charging time: 2-3 Play time: 2-10 colour:redMaterial:Plastic + metalsize:123*26*71mmPackage Contents:1 * radio (built-in battery)1 * audio cable1 * charging cableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.