portable speaker for MP3/ipod

POWER SUPPLY:BATTERY(AAA 1.5V*4),DC 6V(USB CABLE FOR PC),OR AC  POWER ADAPTOR CORD(OUTPUT 6V,300-800mA)
SPEAKER UNIT:40mmx2W*2(4Ohms)
OUTPUT POWER:2W*2(1KHz 10% THD)
FREQUENCY RESPONSE:150Hz-18KHz

Features:
1) Aluminum speaker
2) Ideal for use at the office, home, and can be carried wherever you go
3) You can enjoy sweet stereo sound produced
4) Cosmetically designed to match the iPod and also work for iphone3G
5) It can be powered either through AC adapter or batteries