Hello and welcome to our store. We hope our service can satisfy you and wish you have a pleasant shopping experience! About this item 【5Gbps Fast Transfer & Instantly Sharing】 Plug& Play, built-in newest powerful chip, allows simultaneously read & write on SD cards, Micro SD cards and USB storage with up to 5Gbps fast transfer speed, transfer photos/videos in just seconds to the mobile phone, pad, laptop, or computer , help you instantly sharing memorable moments on social media anytime and anywhere. 【Super Utility Ports】SD/TF(Micro SD ) dual card slots, easy inserting and pulling, compatible with SD, SDHC, SDXC, MicroSD, MicroSDHC, MicroSDXC, for all kinds of Dash Cam/Trial Camera/Digital Camera memory cards, capacity up to128 GB. The standard USB port can works as USB Adapter connect camera, USB flash drive, U disk, hard drive, keyboard, mouse, printer etc to the USB-C devices. 【Stable Bidirectional Transmission 】You can quickly transfer files from your memory cards/USB storage to the compatible Type C devices , or back up files from Type C devices to them, or transfer between 2 cards, transfer between card and U-disk. 【Ultra Strong Compatibility】Compatible with all USB-C devices such as for Pad Pro 2020/2019/2018, iMac/iMac Pro 2017, MacBook/Pro/Air 2020/ 2019/2018, Samsung Galaxy S10/S9/S8/S8 Plus / S9 Plus /Note 8/Note 9, Chromebook /Pixelbook, Surface Book 2, Asus Zenbook, Dell XPS13/15 etc. 【Superior Safety, Durability and Portability 】-The shell of this sd card reader was made out of upgraded fireproof material, provide over-current, over-voltage, short-circuit and over-temperature protection ensure eliminate any security risk, protect your devices. The shell surface with superior wear and impact resistance, anti-fingerprint, is durable in use.Super light weight and compact size for you to carry around.