[SD/TF to USB Adapter] usb sd card reader has an SD/Micro-SD dual card slot design and can be used for multiple memory cards.Compatible with SD/SDHC/SDXC/MMC/-MMC/Micro-SD/Micro-SDXC/Micro-SDHC/UHS-I memory cards. (Note: Not support simultaneously read and write on 2 cards. Dual card slot can only be used independently. ) [Powerful Chip]This sd card adapter is equipped with a powerful chip that is smoothly compatible with the A2 and V30 series of UHS-I mode, support read speeds up to 150MB/s and write speeds up to 100MB/s for UHS-I modes. It also supports various Dash Cam/ trial camera/digital camera memory card capacities up to 2TB. [5Gbps Super Speed]With the USB 3.0 port, usb card reader can transfer data at up to 5Gbps, which is 10 times faster than USB 2.0 (480mbps), backwards compliant with USB 2.0, USB 1.1. Extremely fast transfer speed allows you to transfer more files in less time and improve work efficiency. [Upgraded LED Design]This Micro-sd reader has the working indicator with red light, which can clearly show the working status when the usb to sd card adapter is plugged into the memory card. No need for applications, networks, drivers, additional power. Two-way transmission, plug and play. [Wide Compatibility]The usb card reader for computer can be perfectly compatible with 11/10/8.1/8/7/XP/Vista, OS, Linux, Chrome OS, etc. USB A 3.0 is compatible with 2017 or earlier, Pro 2015, , mini, Vivobook L203, Chromebook and more models with USB-A port. Material: zinc alloy Color: as shown Package Contents: 1 x Card Reader Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.