【4 Cards Read & Write Simultaneously】Equipped with four card slots, supporting SD/CF/TF/MS(Memory Stick Pro Duo) cards. uni memory card reader allows reading four cards at the same time. It can save the trouble of frequent card insertion and extraction, and bring a boost to your work efficiency. | 【2-in-1 Dual Connector】uni USB SD Card Reader features a USB-C/USB 3.0 dual port design. You can easily connect to an OTG-enabled phone or tablet via the USB Type-C (Thunderbolt 3/4) port and share your creations on the go. | 【USB 3.0 High-Speed Transfer】USB 3.0 supports transmission speeds up to 5Gbps, allowing large data and multimedia files to be transferred within seconds, providing faster and more stable transmission, and doing more meaningful things with less waiting time(Note: Final data speed is determined by card and USB port type). | 【Plug & Play】Expands one of your computer’s USB Ports into 4 SD Card slots without any adapter, driver, or software needed. Just simply plug in and enjoy fast file transfers with ease. | 【Extensive Compatibility】Compatible with MacBook, MacBook Pro, iPad Pro, Microsoft Surface Pro/Book 2, Acer Aspire Switch 12 S/R13, iPhone 15 Pro Max, Samsung Galaxy S23/S22/S21/S10/S9/S8/Note 9/Note 8, HTC U11/U12, Pixelbook, Dell XPS 17/15/13, Galaxy Book and other USB-C/A devices.