Poweradd TravelMate 21W/4.2A 4-Port Desktop Charger USB Portable Charger for iPhone 6S 6 Plus 5S, iPad Air 2 Mini 3, Samsung Galaxy S6 S5 S4, Note 5 4 3, Motorola, Sony, HTC, Nokia, Tablet and More Unique premium suitcase design, exquisite workmanship and stylish, one of the most popular products at the Las Vegas CES. 4-USB port, charge four devices simultaneously at fully-intended speed upto 4.2A. Fast charge, unique blue port design with 2.1A output, provide the fastest charging speed to phones and tablets. Best portable, ultra compact and trendy, folding compact design with 2.8 x 2.1 x 1.0 in size, ideal choice for travel and home. Safe use, built-in grade A cell and intelligent circuitry, multiple protection systems to ensure the safety, and worry-free operation.