This 20 port USB hub is capable of charging 20 USB devices simultaneously without conflict. And 20A 5V large output creates a super fast charging. Furthermore, flame retardant ABS and wide voltage design ensure the safety.Features:20 Port USB Hub - You can charge 20 devices at the same time through this charging station, like phone, MP3, tablet PC.Fast Charging - 20A/5V large output makes sure a super fast and smooth charging.Safe Charging - Flame retardant ABS, wide voltage design and fast heat dissipation ensure safety during charging.70% Working Efficiency - High working efficiency up to 70% helps save more power and time.Portable - Small size and light weight allow it to be carried to everythere you want.Specifications:Product type: 20 Port USB HubMaterial: ABSColor: Black+blueLED light: LED indicator light while chargingInput voltage: 100-240V ACInput frequency: 50-60HzOutput voltage: 5VOutput current: 20AOutput power: 100WWorking efficiency: 70%Cable length: approx. 120cm/ 47.2inSuitable device: For MP3/MP4/iPad/iPhone/Android phones/Bluetooth speaker/PSP, etc.Plug: US plug, EU plug, UK plug, AU plug for your choiceProduct size: approx. 14.2 * 7 * 6.3 cm/ 5.6 * 2.8 * 2.5Package size: approx. 16 * 12.8 * 7.1 cm/ 6.3 * 5.0 * 2.8 inPacakge weight: 512g/ 18.1ozPackage List:1 * 20 Port USB Hub1 * Power Cable.