... Mini speaker for Iphone, computer,CD, MP3 & Mp4 mini speaker, computer speaker, speaker,mini computer speaker, usb computer speaker, 2.0 usb ... speaker, computer 2.0 speaker, notebook speaker, ... 4 Ohms*Power supply: 5V/1000mA AC power adapter, Built in Rechargeable Li-ion Battery*Line in/Line out: 3 ...