[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/RS-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 fer 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 fer speed allows you to fer 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 third-party applications, networks, drivers, additional power. Two-way mission, plug and play. [Wide Compatibility]The usb card reader for computer can be perfectly compatible with Windows 11/10/8.1/8/7/XP/Vista, Mac OS, Linux, Chrome OS, etc. USB A 3.0 is compatible with MacBook Air 2017 or earlier, Macbook Pro 2015, iMAC, MAC mini, Vivobook L203, Chromebook and more models with USB-A port. Material: zinc alloy Color: 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!