Feature: CF/SD/MICROSD CARD READER ---- 3-Slot Memory Card Adapter built-in 3 card slots: SD slot, TF(MicroSD) slot, CF(Compact Flash) slot. USB SD card reader supports SDXC, SDHC, SD, TF, CF, Micro SDXC, Micro SDHC, Micro SD,UHS-I SD, Compact Flash cards up to 2 TB(NOTE: Only simultaneous reading/writing 1 card) SUPER SPEED DATA TRANSFER ---- TF/SD/CF card reader for phone built-in newest powerful chip, allows simultaneously read & write on SD/CF/TF card with the speed of 20MB~40MB/S. The data transfer speed could be affected by different card's brand. Type C Compact Flash reader supports transfer photo, video, music and files(Actual transfer rates depend on specific devices.) OTG Transmission: you can easily connect to OTG-enabled phones or tablets by USB-C port, enjoy your artwork anytime and anywhere. PLUG AND PLAY ---- 3 in 1 USB to SD TF CF Card Adapter supports hot swapping and no driver installation required, just plug in to use. Plug in the device and open the 'file' to import or export photos, and data two-way transmission is stable and fast. 3-in-1 SD TF/Micro SD CF card reader makes it much easier to share photos and videos to your families or friends anytime, anywhere. (Notice: Card NOT included). PREMIUM MATERIAL PROTECTION & USER-FRIENDLY DESIGN ---- With safe and durable aluminum shell designed for better heat dissipation, effectively extend the service life. Thoughtful lanyard allows you to avoid losing the card reader while on the go. The protective cover effectively prevents abrasion and dust from entering the USB port. Its indicator light allows you conveniently check the connection status of the device. The little size is convenient for you to take it anywhere, easy to use when you're away on business. WIDE COMPATIBILITY ---- Compatible with laptops, tablets, smartphones with USB-C port, such as MacBook Pro, MacBook Air, iPad Pro 2021/2020/2018, iPad Air 4, Galaxy S22/ S21/ S20/ S10 / S9/ Note 10 , Redmi Note 10 Pro/Note 9/ Note 8, Surface Pro, Surface Book, Huawei P50/ P40/ P30/ P20 and USB-A devices like PC, Car, PS5, PS4, Xbox One etc. Available for Android, Mac OS, Windows 10/8.1/8/7/XP, Vista and Linux systems. Specification: Material: Aluminum alloy size 96*26*11mm Weight: 26g Installation: External Interface: USB 2.0 Support Memory Card: CF/SD/SDHC/TF/MicoSD/MS micro(M2) Package: box Warm Tips When connecting to usb-c tablets/phones, please kindly make sure that the device supports OTG function and memory card file format should be FAT32/EXFAT. Data transfer rates are subject to the speed of the memory card itself and your computer's USB ports. A device with USB 2.0 would only run at 480Mbps. Memory cards shown in images are NOT INCLUDED in the product.