[SD/TF to USB Adapter] The USB SD card reader features a dual-slot design for SD/Mini SD cards, compatible with SD/SDHC/SDXC/MMC/RS-MMC/Mini SD/Mini SDXC/Mini SDHC/UHS-I memory cards. (Note: Does not support simultaneous reading/writing of two cards. Dual slots can only be used separately) [Powerful Chip] Equipped with a powerful chip, this SD card adapter smoothly supports A2 and V30 series UHS-I modes, with up to 150MB/s read speed and up to 100MB/s write speed. It also supports various capacities of dash cams/trial cameras/digital cameras memory cards, up to 2TB [5Gbps Ultra High Speed] Through the USB 3.0 port, the USB card reader can transfer data at speeds up to 5Gbps, 10 times faster than USB 2.0 (480mbps), backward compatible with USB 2.0, USB 1.1. The ultra-fast transfer speed allows you to transfer more files in less time, improving work efficiency [Upgraded LED Design] This Mini SD card reader features a red LED working indicator light, clearly displaying the working status when the USB to SD card adapter is inserted into the memory card. No need for third-party applications, networks, drivers, or additional power. Plug and play [Wide Compatibility] The computer card reader is compatible with Windows 11/10/8.1/8/7/XP/Vista, Mac OS, Linux, Chrome OS, etc. USB A 3.0 is compatible with models such as MacBook Air 2017 or earlier, MacBook Pro 2015, iMAC, Mac mini, Vivobook L203, Chromebook, etc., with USB-A ports Specifications: Model: V30 Supported Memory Cards: SD, TF Support: Reads up to 2TB large capacity Interface: USB 3.0 Product Size: 4.7*3.4*0.95cm Weight: 28g Material: Zinc alloy Package included: 1 x Card Reader Other items not include