1、Function: This card reader can read and write on 2 cards at the same time and supports capacity up to 512GB, used to exchange files/photos/videos between camera and phone or between dual memory cards. Support USB port devices, USB portable hard drive, USB flash drive, USB keyboard, USB fan, USB mouse. 2、Compatible Device: This card reader is compatible for computers (for Windows XP/2003/2000/7/8/10, for OSX, etc.) and support USB C mobile phone or tablet OTG, compatible for IOS/ for Android system 3、Wide Card Compatibility: The card reader is compatible with multiple memory card types, including for SDXC, for SDHC, MMC, RS‑MMC , TF card and UHS‑I cards to meet a variety of storage needs and formats. 4、Portable Design: Its compact portable design allows you to carry this card reader with you for easy data management. Ideal for travel or mobile office use. 5、Easy to Use: The card reader is user friendly. Simply insert the right memory card, connect it to your computer or other device, and you can instantly access and transfer data without any complicated setup process. Item Type: Card Reader Material: Aluminum Alloy Color: Dark Grey Output Port: USB3.0/USB C Input Port: Small Memory Card, Memory Card, USB3.0, USB C Function: USB3.0 Reading, USB C Data Reading, Memory Card/Small Memory Card and Storage Card Dual Function Reading 1 x Card Reader