NOTED: Memory card Not included; Needs additional adapter:MINISD, RS MMC,RS MMC 4.0, MMC MOBIL .E, MMC MICRO. CONSIDERATE DESIGN: Aluminum shell provides durability and extended use; Protective cover effectively prevents abrasion and dust from entering the USB port; Thoughtful lanyard design keeps you on the go and prevents loss; Slim and compact profile makes it easy to store in your camera bag or backpack and provides convenient access to micro/SD cards when needed; Portable for office and travel use. WIDE COMPATIBILITY: Compatible with MacBook Pro (2021~2016), MacBook (2019~2015), iMac Pro (iMac), iPad Pro 2021/2020/2018, iPad Air 4, Huawei P50, P40, P30, P20, Acer Aspire Switch 12 S/R13, Predator 15/17X, XPS 13, 15, Alienware 13/15/17, Spectre x360,Microsoft Surface Pro, Book 2, Razer Blade 15/Stealth 13/Pro 17, Samsung Galaxy Tab Pro, S22, S21, S20, S20 Plus, S20 Ultra, S10, S9, Note 10, iPhone 15,15 Pro,Pro Max, Redmi Note 10 Pro, Note 9, Note 8, Surface Pro, Surface Book, and most others. PLUG & PLAY: No additional power, software or driver required, simply enjoy fast photo downloads, smooth video editing and fast file transfers; Plug and play for Windows 10/8.1/8/7/XP and higher version,vista, mac10.4.6 and higher version, Linux, Chrome OS, Android and most other OTG supported system. Could also compatible with: SD, HS MINISD, EXTREME SD,EXTREME III SD, ULTRA SD, ULTRAII SD, ULTRA |I PRO, SDHC, SD ELITE PRO, HS SD, MMC, MMCPRO, SDHC, SD ELITE PRO, HS SD, MMC, MMC4.0, HS MMC, HS RS MMC, MMC PLUS, MMC 4.2. SPEEDING UP EFFICIENCY: The card reader supports simultaneously reading and writing on two cards to save the constant plugging and pulling of plugs, avoiding repeated card insertion and removal, and double your efficiency of data access; Transferring could be realized between 2 slotted cards or between OTG devices and 2 cards simultaneously; Compatible with MICRO SD(TF)/HC I MICRO SD/HC II MICRO SD/XC I MICRO SD/XC II MICRO SD/HC I TF Pro card. 2 in 1 SUPER FAST TRANSFER SPEED: The 2 in 1 USB C and USB 3.0 card readers are used to read data from memory cards and transfer them to computers, tablets, phones or other OTG-enabled devices; Both interfaces support high-speed data transfer up to 5 Gbps and are backward compatible with USB 2.0 and USB 1.1; Either interface of SD card reader can transfer files at a speed of 10 times faster than USB 2.0; Excellent transferring large volumes of photos and files speed reduces your waiting time.