Bluetooth optional
CD/CD-R/MP3/VCD/DVD/MP4 Compatible;
USB/SD/MMC Card Input MP3/MP4 Player;
Super Mechanism and Electronic Anti-shock Compatible;
Intro/ Repeat / Random Play;
AM/FM/MPX Stereo Receiver;
30 preset memory;
Electronic Volume Control;
Card Size Full Function Remote control;
Detachable Front Panel;
45W*4 Power Output;
RDS Function (Optional);

Packing information: 
 Unit size:    178*178*50mm  
Unit weight: 1680g
 Unit packing:    Color box    
Box size: 23.9*24.3*10.5cm
 Outer carton:     5 pcs/ctn
 Carton  size:     52*26.3*26.9cm   
 N.W/G.W:          10.1/11.1kgs     
20ft/40HQ: 3530/8970sets