High speed 6-port USB charger Powerful and Efficient The unit has 6 USB charging ports that can charge 6 phones or tablet computers at the same time with a output of 27 W. Provide the possible fastest charge up to 2.4 amps per port or 5.4 amps overall Power Smart Technology Theres no need to set a current or choose a particular port. Charging speed can be controlled by the resistance within the cable, get devices charged with the fastest possible speed all the time. Mutiple Protections By using smart circuit protection, temperature control, premium design and other basic protections, ensuring complete safety for you and your devices.Safety Guaranteed: Over-charging protection discharge protection over-power protection over-current protection over-voltage protection temperature protection short-circuit protection Well Compatibility Compatible with all Apple device(Iphone 5s,iphone 6s,6plus,ipad mini,ipad air,ipad pro) Samsung Device(S6,S7,S7edge,note 5 Samsung tablets)other android mobile phone HTC, Motorola, Nokia and various digital device tablet,ebook,cameras etc Safety Certification: CE FCC ROSH PSE CCC.Provide full speed charging with complete safety Customer service: We will response all your e-mails within 12 hours with friendly customer service. You can return our product with no reason within 7 days and will get 100% refund.(please return it with complete package) In rare condition,if you receive damaged product or defective product,please contact us,we will apply a refund or replace with a new product for you. We believe that our best product with best customer service will give you the best buying experience Looking for more cool products? please visit "R-market storefront" in Amazon!!