Features: 100% brand new and high quality. This is a multifunctional USB OTG Host Hub Adapter Cable. Compatible with all tablets and cellphones with OTG function, such as for Samsung Galaxy S3, S4, for Tab 3,2 ,for Note 10.1 and so on. Three ports with USB design can connect the keyboard,mouse,card reader,and so on(can't connect hard disk). One power USB port can connect original charger to supply power for flash disk, card reader, mouse, keyboard and so on. When OTG mode and charging mode can work simultaneously, the swith should be placed to "Charge". You can share your U disk content while charging the phone. Micro-USB Power can charge your tablet and smart phone simultaneously! It's really portable and practical. It can greatly save your working space and you can easily take it to everywhere. 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". Material:plastic colour: black Package Contents: 2 x 4 Port Micro-USB Power Charging OTG Hub Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.