Specification: Interface: USB/USB3.0/TYPE-C3.1/for Lightning Memory card slot: for SD card slot+TF Card slot shell material: aluminum alloy Color: Grey, Silver (optional) Function: Connect mobile phones/laptops/synchronously expand USB interface to connect external devices to read memory card content Net weight: 30g Gross weight: 48g Packaging size: 150 * 80 * 30mm/5.9 * 3.2 * 1.2in Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x USB C Hub Card Reader 1. Super-Fast USB 3.0 Port: This card reader features one USB 3.0 port with a high-speed transfer rate of up to 5 Gbps, making it ten times faster than regular USB 2.0 ports. It allows you to transfer large files quickly and efficiently. 2. Wide Compatibility: This USB C adapter is plug-and-play and requires no drivers, making it compatible with a wide range of USB-C devices such as smartphones, tablets, and laptops. 3. Compact Design: This slim and sleek adapter is perfect for digital nomads and can easily fit into your laptop bag. The aluminum casing provides an effective heat sink. 4. Dual Card Slot Design: The hub is designed with dual card slots that are compatible with most for SD and TF cards on the market, making it easy to transfer files between different devices.