Features:

■  FM digital radio(87.5~108mhz) 
■  USB/MP3 audio player 
■  SD card slot 
■  SD card player 
■  charging indication LED 
■  digital display (mp3 time/frequency/volume) 
■  removable Li-ion battery 
■  accessory:USB charging cable/LI-ion battery & audio line 
■  size:7*7*7cm 
■  power requirement: DC5V(li-ion battery)