SHARKK 20W 3.9 AMP DUAL-PORT HIGH SPEED CAR CHARGER Type: Car Charger Compatible Phone Manufacturer: Universal Standard USB Port: 2 Output Volt: 5V Output Amp: 2.4A / 1.5A Features: Smart USB Charging Port Controller self-adjusts power to device providing optimal charging. Universal Port ideal for charging phones, GPS , MP3 or MP4, Bluetooth Headset and External Battery Packs. Slim design perfect for carrying while traveling Supercharger Port 5V2.4A and Universal Port 5V1.5A capacity. Dual-port design is the ideal charge solution to charge your devices while on the road.