i.SOUND IMAN PORTABLE SPEAKER SYSTEM FOR iPHONE , iPOD, iPOD TOUCH AND MOST MP3 PLAYERS WITH 3.5mm AUDIO JACK

i.SOUND IMAN PORTABLE SPEAKER SYSTEM FOR iPHONE , iPOD, iPOD TOUCH AND MOST MP3 PLAYERS WITH 3.5mm AUDIO JACK

Rubberized dual speaker foldable design allows for optimal sound and portability. Carrying case and rubber adapters included. Power supply: DC5.0V(USB cable for PC) , 4 AA batteries optional (sold separately), 2 Watts× 2 (Max) full range drivers, Frequency response: 100Hz-20kHz, Impedance: 4 Ohm, Unit Speaker : 34mm*2, Signal to noise ratio: 75db, Output power: (5V/USB, 2x1.5W, 6V/ batteries, 2x2.5W).