This product uses USB3.0 technology to achieve high file transfer. High-quality images for workflow, high-definition video transmission, speeds up to 500MB/s. The card reader is compact and portable, and supports hot swapping, high efficiency and stability, enabling you to transfer large files quickly and easily, whether at work or on the road. Quickly complete post production. It is a good choice for photographers and enthusiasts. Features: 1. Aluminum alloy sandblasted shell which feels comfortable. 2. Small appearance, easy to carry. Support hot swap, efficient and stable. 3. Utilize USB3.0 technology to achieve high-speed file transfer, the speed can be up to 500MB / S. 4. Compatible with professional equipment, models, such as for Nikon D4, D5, D500 / for Sony XQD interface camera type. 5. Compatible with a variety of operating systems. Support for WINDOWS series system / for MAX. 6. With high-performance read speed. Large 4K video files and image files, can be quickly transferred. 7. Compatible with various systems. Support hot swap, efficient and stable. Multi-channel technical support for high-speed transmission. 8. With a small and convenient design, it is easy to put in your pocket and carry it with you. Specifications: Color: Black Model: Card Reader Material: Aluminum alloy Package List: 1 * Card Reader