Hub OTG, HooToo OTG Hub With Charging Station 40W 7.8A USB Travel Charger AC 100-240V 4 Port Access for Android Smartphone Tablet, Black 2 x Smart Charging Ports (Max 2.4A): automatically match device input current to maximize charging speed, compatible with ALL USB-charged devices (except Asus Transformer and iPod), provide 1A for iPhone, 2A for Galaxy, Note, Nexus etc. and up to 2.4 A for iPad 2 x Universal Charging Ports for Phones (Max 1.5A): 1 x iPhone charging port, 1 x Android charging port. The iPhone port is designed for iPhone but not limited to iPhone as well as the Android port 1 x OTG Port: allows instant read/write/view access to any USB storage from Android devices. (Need to use provided OTG cable for OTG, provided cable is only an OTG cable and it could not be used to charge your devices, please use your own cable to charge your devices.) OTG function only supports some Android devices and do NOT support Apple, please check compatible devices below in description part. Safety Features: over-charge protection, surge protection and short circuit protection. 12-Month HooToo warranty and 24h*7 email support AC 100240V input voltage and portable palm size (4.3*3*1.3) make it ideal for international travel. Package includes: 1*charging station; 1*detachable power cord; 1*OTG cable for Android; 1*User Guide