Connect to any mobile device that support USB On-The-Go (USB OTG). Playback videos/music directly from external memory without occupying space on Device. full OTG functions are supported, with it, your OTG phone (must be OTG phone) can use Mouse, USB disk, keyboard, game handle, wireless network card etc. Powers via USB C/Micro-USB/USB port, no additional power supply needed.Easy to take, use and install, no additional software installation required. 5 in 1 Micro-SD Card Reader, USB Type C Micro-USB OTG Adapter and USB 3.0 Portable Memory Card Reader for Micro-SDXC, Micro-SD, Micro-SDHC Card Excellent quality. Made of durable, high-grade plastics and premium chips.with it, your phone can use keyboard, mouse, wireless network, game handle , USB disk etc, and much more. Backup your important Photos, Music, Videos, and Contact list .Portable for business(convenient for file work) Document viewer for all major file formats, same as your normal USB 3.0 memory disk. Securely store and share digital contents such as movies, pictures, and music from your phone Compatitable for: All the USB C device/android phones/Tablet with OTG function MacBook Pro Supports: microSD, microSDHC (UHS-I), and microSDXC (UHS-I), USB disk. System requirements: Windows XP/7/8/8.1/10/Vista/Linux Mac OS X v10.3.9 or later Available USB C port or USB port or Micro-USB port Precaution Notice: USB C device/Android Smartphones/Tablet do not download app,but need otg function Please do not disconnect card reader during file transfer. Please insert your memory card into the device before connect to your Cellphone or Tablet. If your phone case is thick, please take it off before using the device. Material: ABS Color: black Product Size: 7.35cmx1.83cmx0.96cm Package Contents: 4x Type-c 5-in-1OTG card reader 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.