Perfect Solutions Cup Holder Power Port, Powered By Your Car's Cigarette Lighter, Includes 2 USB Ports And Two 12-Volt Ports Powered by your car's cigarette lighter or similar outlet Includes two USB ports and two 12 volt ports Works with cell phones, smart phones, iPods and MP3 players, GPS systems, digital cameras, portable games and tablets Features car battery level indicator and interior safety shield to help prevent damage from accidental spills 3.18x4x6 Power up on-the-go. Simultaneously charges up to 4 mobile devices Works with cell phones, PDAs, laptop computers, iPods/MP3 players, GPS systems, digital cameras and portable games Fits in cup holder Plugs into cigarette lighter