6 PORT USB DESKTOP CHARGER, THE USB TOWER DESIGNED WHICH MAKES THIS A PERFEC Fast charging QC 3.0 power support devices up to 4 times faster than conventional charger.6 ports also charges your USB devices speed up to 2.1 Amps .saving your time and make your device charges faster. Safety Protection PVC + ABS composite fire-retardant material,with over temperature protection,over current protection,short-circuit protection and over-voltage protection, ensures the safety of your device. International General Input voltage AC 100-240V 50/60Hz, suitable for most countries' standard voltage, ideal for international travel. Smart Charger Dock Each USB port intelligently identifies your devices and offer the current accordingly for that device. Effortlessly Portable Weights 3.2 ounces, size of 2.9x 2.3x 4.3 inch, slips easily into a bag or pocket, so you are ready to charge no matter where you need to go.