Fangrui Product Details 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