Mediabridge Dual USB Car Charger Plug into a car"s 12 V receptacle, to simultaneously charge 2 devices (Smartphone, MP3 player, tablet) in full-power AC mode. It features a 1.0A USB port for a Smartphone/MP3 player, & a 2.4A USB port for a tablet/other device. Play music, watch movies, make phone calls & more on the road while charging. It"s built with an over-charge protection fuse, which switches to a 50mA trickle charge once a connected device"s battery is full. This protects from harmful short circuits, overheating, over-currents & power spikes. Product Features - Charges 2 mobile devices at once at full-power in the car - A 1.0A USB port for a Smartphone/MP3 player, & a 2.4A USB port for a tablet/other device - Compact, low-profile design fits securely into car outlets without blocking - Stylish LED indicates charger"s status - Over-charge protection Specifications - DC input voltage: 12 VDC - Output voltage: 4.75 VDC-5.25 VDC - Output current: 0A-3.4A - Operating temp: 0 ~40°C Compatibility - The 2.4A port charges most devices, like a Samsung Galaxy Tab 1/2, iPad, iPad Mini, Kindle Fire, PSP, Nook Color & Certain GPS"s - The 1.0A port works with most Smartphones & MP3 players, like a Samsung Galaxy S3/S4, iPhone 5S/5C/5/4S/4/3GS, iPod Touch, iPod Nano, LG, Motorola, Nokia & Blackberry - Not compatible with HTC One, Samsung Galaxy Tab 3, Droid DNA Installation Plug into any 12 V receptacle (ex: car DC power socket). Using existing cables, connect a Smartphone/MP3 player to the 1.0A port & a tablet to the 2.4A port Notes Connected devices will safely draw max power without damage Dimensions 1"x1.25"x3" (protrudes 1.5" in use) Warranty Limited 1 Year Warranty Support Call us Mon-Sat 9AM-6PM Eastern (extended hours Tue/Thu until 9PM). Emails answered within 1 business day