speaker for ipod/iphone: 1.Buit-in Battery:Lithium-in Battery 2. ... USB flash drive 3. Input Voltage:DC 5V Description speaker for ipod/iphone: Good quality and good value that will meet ... Aux-in connection, support: MP3/MP4, computer, music mobile & iPod, etc3)Stereo sound design, excellent ultra-low sound, wooden body4 ... Usb/SDcard/mp3 /4player earphone function Li-ion battery speaker for ipod/iphone