Description: This multifunctional USB hub is with card reader function. You can read the files in SD/TF card on your device (with OTG function) directly. With 2-in-1 interface - Standard USB3.0 & Micro USB, it can be used for smartphone, tablet, laptop or computer. 2-Port USB3.0/2.0 can be connected with external USB devices with different transmission speed (high or low). Each USB port can supply power of up to 500mA. No external power supply needed (via Micro USB charging port) when connecting devices under 500mA. It is easier to know about the working status of the hub with LED light. It can be used under many operating systems. Features: 1. Can be connected to computer with USB 3.0/2.0 port or smartphone / tablet (support OTG function) with Micro USB interface. Operate your cellphone like a mini computer. 2. 2-Port USB3.0/2.0, downward compatible with USB 1.1/1.0, can be connected with mouse, keyboard, U disk, camera, printer or other external USB devices. 3. Support hot-swap, plug and play, no drivers. Each USB port can supply power of up to 500mA. No external power supply needed (via Micro USB charging port) when connecting devices under 500mA. 4. SD/TF card reader, allows your device (with OTG function) to read SD(HC）MMC/TF card directly. Playback videos / music directly from external memory. 5. Equipped with LED blue indicator light, easier to know about the working status of the hub. 6. Compatible with: Windows 98/SE/ME/2000/XP/2003/2008/VISTA/7/8/10/Mac/Android Systems. Specifications: Color: Gold, Silver (Optional) Material: Aluminium Alloy Interface: Standard USB3.0 + Micro USB Port: USB3.0, USB2.0, Micro SD card slot, SD card slot, Micro USB port Cable Length: 12cm Size: Approx. 75 * 37 * 12 mm / 3.0 * 1.5 * 0.5 inch LED Light: Yes Suitable: for Xiaomi / Huawei / Sony / MEIZU / Samsung and More Compatible with: Windows 98/SE/ME/2000/XP/2003/2008/VISTA/7/8/10/Mac/Android Systems Package Weight: About 57g Package List: 1 * OTG USB Hub Card Reader (Other items in the pictures are not included.) NOTE: If you want to connect external USB devices to your cellphone or tablet via this USB hub, please check if your device supports OTG before you buy it. 1、 Can be connected to computer with USB 3.0/2.0 port or smartphone / tablet (support OTG function) with Micro USB interface. Operate your cellphone like a mini computer. 2、 2-Port USB3.0/2.0, downward compatible with USB 1.1/1.0, can be connected with mouse, keyboard, U disk, camera, printer or other external USB devices. 3、 Support hot-swap, plug and play, no drivers. Each USB port can supply power of up to 500mA. No external power supply needed (via Micro USB charging port) when connecting devices under 500mA. 4、 SD/TF card reader, allows your device (with OTG function) to read SD(HC）MMC/TF card directly. Playback videos / music directly from external memory. 5、 Equipped with LED blue indicator light, easier to know about the working status of the hub.