[5G for 10× Faster] With this USB 3.0 card reader adapter you could enjoy a 5G transfer speed rather than 480M with a USB 2.0 SD card reader; Dockteck USB 3.0 memory card reader with 5G transfer will help you transfer 1G files in seconds and save more time for you ( USB 3.0 backwards compatible with USB 2.0 and USB 1.1) Note: this item is a card reader, package not include memory card [Support OTG for Plug& Play] Just connect Dockteck SD card reader which support OTG( On-the- Go) function directly to external devices without any medium to your devices you will enjoy a real time data transfer, output operations, or charging functions [3 Slots for More Convenience] Dockteck 3 in 1 usb card reader works SD& TF slots at the same time, both slot up to 104MB/s. Support UHS-I SDXC, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD and Micro SDHC cards from Camera/ Gopro/ Dash Cam/ Surveillance camera and USB A external device connected [Ideal Camera Companion] Dockteck Card Reader for camera memory card has handy covers at both ends to keep out liquid and dust. Its slim profile makes it easy to store in your camera bag or backpack, 3-slot provides convenient access to micro/SD cards when needed [Wide Compatibility] Dockteck 3 in 1 memory card reader works forUSB-C / A devices like iPhone 15 Pro/Pro Max, MacBook Pro (2023~2016), MacBook (2022~2015), iMac Pro (iMac), Acer Aspire Switch 12S/R13, Predator 15/17X, XPS 13/15/17, Alienware 13/15/17, Spectre x360, Microsoft Surface Pro, Book 2, Razer Blade 15/Stealth 13/Pro 17, Samsung Galaxy Tab Pro, S23/ S22 Ultra/ S21/ S20... Product features: Product performance： USB3.0 A/ M&C/M TO TF/SD3.0 + USB A/F card reader Upstream: USB3.0-A/M&Type-C/M (5G) Downstream: TF/SD3.0 UHS-I(104MB) USB 2.0-A Femal(480MB) 1.Dockteck 3 in 1 memory card reader USB 3.0 could reach a high transfer speed of 5 Gbps to transfer your 1G files in seconds 2.SD Micro SD/ TF card reader works with OTG functional devices 3.Simultaneous Access with 3 Slot， for TF card：Micro SD / Micro SDXC/ Micro SDHC SD card: SD SDXC SDHC RSMMC and more 3 Mode for all usage: USB A to SD/ Micro SD Card reader：PC/ TV/ Xbox/ PS4 and other devices with USB A port UAB C to SD/ Micro SD Card reader: MacBook/ Tablets/ iPhone 15(USB C), Galaxy and more devices with USB C port UAB C to A Adapter: convert the USB C port in your devices to connect with USB A tools, reader usb A disk at 480MB Product appearance： Connector nickel plated, gray aluminum alloy, with silver keychain Color:Black