User:Power supply: Battery(aaa 1.5v*4), DC 5v(usb cable for pc), or AC power adaptor cord(output 6v,300-800ma)Speaker unit:52mmx2w*2(4ohms)Output power:2w*2(1khz 10% thd)Erequency response:150hz-18khz

This compact travel speaker system is ideal for use at the office, home, carry where you go, you can enjoy sweet stereo sound produced from the aluminum speaker. Cosmetically designed to match the ipo

User:Powersupply: Battery(aaa1.5v*2), DC 3.0v(output 3v,300-800ma)Speaker unit:3w*1Output power:3w*1 4ohms(1khz 10% thd)Erequency response:275hz-20khz

User:Power supply: Battery(aaa 1.5v*4), DC 5v(usb cable for pc), or AC power adaptor cord(output 6v,300-800ma)Speaker unit:52mmx2w*2(4ohms)Output power:2w*2(1khz 10% thd)Erequency response:150hz-21khz

User:Powersupply: Battery(aaa1.5v*2), DC 3.0v(output 3v,300-800ma)Speaker unit:3w*1(Output power:3w*1 4ohms(1khz 10% thd)Erequency response:275hz-20khz

User:Power supply: Battery(aaa 1.5v*4), DC 5v(usb cable for pc), or AC power adaptor cord(output 6v,300-800ma)Speaker unit:52mmx2w*2(4ohms)Output power:2w*2(1khz 10% thd)Erequency response:150hz-18khz

User:Power supply:battery(aaa 1.5v*4),dc 5v(usb cable for pc),or ac power adaptor cord(output 6v,300-800ma)Speaker unit:52mmx2w*2(4ohms)Output power:2w*2(1khz 10% thd)Erequency response:100hz-20khz&qu

User:Powersupply:battery(aaa1.5v*2),dc 3.0v(output 3v,300-800ma)Speaker unit:3w*1(Output power:3w*1 4ohms(1khz 10% thd)Erequency response:275hz-20khz"

"power supply: Battery(aaa 1.5v*4), DC 5v(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)Erequency response:150hz-18kh