Specification Micro USB Port:480 Mbps; USB Port:480 Mbps Female Micro USB Port: Power supply only, no data transfer; Power Supply: 5V/1A ~ 5V/2A 1.How to use OTG HUB Adapter for Smartphone/Tablet, **This OTG HUB Adapter does not support “Fast Charger”(Voltage>5V or Current>2A),otherwise the OTG HUB Adapter will heat up and burn out. ?Step 1: Connect the Micro USB connector into Smart Phone & Tablet. ?Step 2: Connect USB Keyboard/USB Mouse/Flash Device to USB port of this OTG adapter for Smart Phone & Tablet. ?Step 3: Connect the OTG HUB ADAPTER and power supply with a micro usb cable (the micro usb cable needs purchase additional) This Micro-usb hub has a switch on the right side for using a smartphone or tablet. you can placing switch in Two modes: *OTG Mode Will allow multiple usb devices to communicate with your device. *Charge Mode Will charge your device.(On some devices, switching it to charge will put the hub into simultaneous mode, where it will charge and provide device access.On some devices, switching it to charge will cut off the usb communication to the device.) Some devices that support simultaneous mode we tested or client feedback are as follows: Samsung Galaxy S3 Samsung Galaxy S4 Samsung Galaxy Note 3

?NOTE?AVOID CONNECTING WITH FAST CHARGER.Make sure the output of the charger is 5V (4.7-5.3V) / 2A.The chip inside the hub will be BURNED OUT if the VOLTAGE > 5.3V. ?Achieve Your Work efficiently?OTG port provides a simple way to connect phone to a USB capable computer for data synchronization and file transfers, Transfer Rate: USB2.0, 480/12Mbps, 1.5Mbps. Please NOTE only for Micron USB connector smart phone or tablet. ?Compact Multifunction HUB?There are three USB ports, you can insert U disk, keyboard, mouse and other equipment (but does not support the simultaneous insertion of two U disk), and the other with a micro USB female, you can switch to the U-switch or keyboard power supply. ?Enhance Your Device?Expands into 3 USB Ports for Raspberry Pi Zero v1.3 (with camera connector) and W (with Bluetooth and Wifi), Orange Pi, ODROID, Banana Pi ,Raspbian Jessie Tablet. ?Wide Compatibility?Compatible with DJI Spark/ Mavic Remote Controller, most OTG Micro USB connector phones and tablets such as Samsung Galaxy-Series with micro-usb port, Google Nexus , ASUS Zen 8/VIvotab Note 8, HTC One M9, Dell, Motorala, Sony, Nokia, Lenovo Yoga/ThinkPad, Acer tab and more, Smart phone four-in-one OTG data cable micro USB splitter a drag four auxiliary power supply.