Mp3 portable speakers
Specifications:
Rated power : 2w+2w
Frequency response: 150hz---20khz
Drive unit: 4ª+3w
S/n ratio: 80db
Dimension:180*325*51 mm
Input sensitivity:500mv
Power suply:dc 5v/1a, usb power
4*aaa batteries
Weighing only:140g
Gift box
