This USB 3.0 SD and Micro SD card reader is a compact, high-speed solution for transferring photos, videos and files between memory cards and your computer or compatible device. Designed for convenience, it supports simultaneous read and write on two cards, eliminating the need for constant swapping. With plug and play functionality, broad system compatibility and support for high-capacity cards up to 2TB, it is ideal for photographers, content creators and everyday users seeking fast, reliable data transfer. The durable ABS housing, built-in protection circuits and portable design make it a dependable PC and laptop accessory for home, office or travel use. SPECIFICATIONS Brand Name: UGREEN Product Type: USB 3.0 SD / Micro SD / TF card reader Model Number: CM264 / CM304 Interface: USB-A (USB 3.0, backward compatible with USB 2.0) Transfer Speed: Up to 5Gbps, up to 100MB/s (SD3.0 & TF3.0) Card Slots: SD and TF (Micro SD) 2-in-1 Supported SD Cards: SD / SDHC / SDXC / MMC / RS-MMC Supported TF Cards: Micro SD / Micro SDHC / Micro SDXC Maximum Card Capacity: Up to 2TB Simultaneous Operation: Supports reading and writing on two cards at once UHS Support: Compatible with UHS-I and UHS-II cards (UHS-II cards operate at UHS-I speed) Protection Features: Short-circuit protection, over-current protection, ESD protection, hot-swap support Installation: External, plug and play, no drivers required System Compatibility: Windows, macOS, Linux, Chrome OS, iOS, iPadOS, Android Device Compatibility: Laptop, desktop PC, tablet, phone, TV, car systems and other USB-A devices Material: ABS shell Package Contents: USB 3.0 card reader, protective cap, lanyard Certifications: UKCA, CE, FCC, RoHS Country of Origin: Mainland China High-Concern Chemicals: None Memory Cards Included: No A fast, versatile and portable USB 3.0 card reader that simplifies data transfer across multiple devices, offering reliable performance, broad compatibility and everyday convenience in a compact design.