FEATURES:200 FM channels can be adjusted from 87.5 - 108Mhz ! LCD screen display the current channel selected 3 Power source: 2 AAA batteries, car cigarette lighter or computer USB port, enjoy music in your home or car Create your private FM broadcasting station!Color: WhiteSPECIFICATIONS ::Working voltage: 12V+-0.5V Working current: 40mA+-10mA Operating distance: up to 30 meters Input frequency: 20Hz - 20KHz Dimension: 75(W) x 55(L) x 30(H) mm