RYRA 4 Port Micro USB 2.0 HUB 4-IN-1 OTG Hub Power Adapter Cable for Android Phone Tablet PC Product name: OTG Hub Adapter Cable Material: ABS Colour: black Length: 20cm Female Interface: USB 2.0 Micro usb Features:multifunction; wide Compatibility Working States: 1. For most Android models Support for Galaxy S2, for Samsung Galaxy Note, for Samsung Galaxy S3/S4/S5, for GALAXY Tab3 8.0, for Sony Xperia NX-02D, for Sony Xperia acro HDIS12S, for Toshiba REGZA Phone-T01D, and for Sony S-series Tablet. Other models. 2. OTG USB HUB data exchange or charging mode USB interface can be connected to the U disk, mouse, keyboard, gamepad, printers and other USB devices simultaneously. When the switch is in "Charge",achieved through an external power supply to charge the phone function. When the switch is placed "OTG", the phone can read three external USB devices simultaneously. 3. Charging mode and data exchange mode can work simultaneously It works only for some models of for Samsung, as for Samsung Galaxy S4, for Galaxy Note3, for ThinkPad 8. When it is in this case, you must place the switch to "Charge". Specifications: 1. This is a multifunctional USB OTG Host Hub Adapter Cable. 2. Three ports with USB design can connect the keyboard,mouse,card reader,and so on 3. When the switch is set to "Charge", the mobile phone can be charged directly through the micro bus interface of this line. 4. When the switch is set to "OTG", the three USB bus interfaces can be otg at the same time, and USB devices such as U disk, mouse, keyboard and printer can be connected externally(can't connect hard disk). 5. It also supports the simultaneous operation of OTG and charging functions (this function only supports some Samsung models). The Samsung Galaxy S4, Galaxy Note3, and ThinkPad 8 models can realize the simultaneous operation of OTG mode and charging mode. The switch must be placed at Charge 6. It's really portable and practical. It can greatly save your working space and you can easily take it to everywhere. Package Included: 1*hub