... Ipod,Iphone,Mp3 and most audio devices 2) built-in lithium polymer battery ,recharge through standard USB port3)Vacuum Bass,360 ... .2w7)Frequency response: 280HZ-16KHZ8)SNR:>85DB9)Speaker: 36mm diameter10)Lithium-ion battery input: DC5VPlease contact us for pictures and specfication details ...