Describe: 100% new and high quality Material: ABS engineering plastic Color: white, black Size:59.6*17*8.3mm Product interface: standard 3.0 interface Support memory card: TF/SD (two cards cannot be used at the same time) Support system: Windows, IOS, UNIX, HarmonyOS Transmission speed: theoretical speed 5Gb (1GB=8Gb) Package Includes:1Pc USB 3.0 Memory Reader USB3.0 super high-speed transmission, while backward compatible with USB2.0 Fully compatible with SD memory cards High-quality shell, sturdy and durable, can effectively ensure the security of equipment and data, beautiful and fashionable Small size, easy to carry and use Strong performance/compatibility Note: 1. Please allow 5-10mm differences due to manual measurement, thanks. 2. The actual color of the product may be slightly different from the picture, and the website is caused by various factors such as the brightness of the monitor and the brightness of the light.