Feature : BT,TF,FM,AUX,USB
BT Version :  BT 4.2
Speaker :52mm  Diameter/4Ω and 5 W
Power : 5W
Battery : 800mAh   18650
Play time : 2-3 H

Model:  RJ-303
Size:     105*60*40mm
DPI:      800-1200-1600
Features:  4D, Surface coated rubber oil and Customized logo and package

Model:  RJ-803
Size:     115*68*37mm
DPI:      800-1200-1600
Features: 4D， Surface coated rubber oil and Customized logo and package

Model:  RJ-315
Size:     100*63*35mm
DPI:      800-1200-1600
Features:  6D，Surface Finishes (coated rubber oil) and electroplate scroll wheel Customized logo and package

Model:  RJ-1003
Size:     135*70*38mm
DPI:      1200-1600-2400-3200
Features:  7D， Laser logo， surface coated rubbor oil and Customized logo and package

Model:   RJ-005
Size:      113*62*37mm
DPI:       1000
Features: 3D，Surface coated rubber oil and Customized logo and package