... device, such as cell phone,MP3,MP4,PC,TV,DVD,IPOD,IPONE by connecting 3.5mm stereo audio cable between mini speaker ... .Frequency Response:150~18KHZ 5.Impedance:4Ω6.3.5mm Stereo Audio Jack/line in jack7.Built-in 500MAH rechargeable Li ... ,266 PCSPCS/40GP34,532 PCSPCS/40HQ41,933 PCSPhoto: SU-10 mp3 player with built in speaker wooden fm radio