1. Super-fast speed & high capacity: The USB 3.0 card reader supports SD and Micro-SD cards up to 512GB and enables fast data transfer speeds up to 80-100 MB/s. Transfer HD movies, photos, or files in seconds when used with a USB 3.0 host. Backwards compatible with USB 2.0, 1.1, and 1.0. 2. Phone & PC supported: This USB-A and USB-C card reader provides a simple connection between a memory card and computers, laptops, smartphones, or tablets with USB-A or USB-C 3.0 ports and OTG functionality. Easily turn your phone into a host device for data transfer. Works with both USB-A and USB-C devices. 3. One reader for multiple cards: The USB 3.0 SD card reader features two card slots—SD and Micro SD—along with USB-A 3.0 and USB-C connectors. Compatible with a wide range of memory cards including SDXC, SDHC, SD, Ultra II SD, MMC, RS-MMC, Micro SD, TF, Micro SDXC, Micro SDHC, and UHS-I cards. 4. Compact and travel-friendly: Designed for portability, this card reader has a small, lightweight build ideal for travel or field use. Plug and play functionality—no driver installation or external power required. 5. Universal compatibility: The USB-A connector works with desktops, laptops, PS4, Xbox One, and Smart TVs with USB-A ports. The USB-C port is compatible with USB-C and Thunderbolt 3 laptops such as MacBook Pro, MacBook Air, Dell XPS 15/13, HP Spectre x360, Lenovo Yoga series, and OTG-enabled Android devices including Samsung Galaxy S10, S9, S8, Note 8, A8, and Tab S4.