Describe:100% new and high qualityMaterial: ABS engineering plasticColor: white, blackSize:59.6*17*8.3mmProduct interface: standard 3.0 interfaceSupport memory card: TF/SD (two cards cannot be used at the same time)Support system: Windows, IOS, UNIX, HarmonyOSTransmission speed: theoretical speed 5Gb (1GB=8Gb)Package Includes:1Pc USB 3.0 Memory ReaderUSB3.0 super high-speed transmission, while backward compatible with USB2.0Fully compatible with SD memory cardsHigh-quality shell, sturdy and durable, can effectively ensure the security of equipment and data, beautiful and fashionableSmall size, easy to carry and useStrong performance/compatibilityNote: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.