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USB 3.0 hub with card reader High-speed 7-in-1 USB 3.0 hub card reader, with multi-in-one memory adapter, for Windows data transfer Description:
7-in-1 USB Hub and Memory Card Reader, designed to enhance digital connectivity. With a high-speed data transmission capability of up to 5Gbps.
Equipped with overvoltage and overcurrent protection features to ensure device and data security.
Includes 3 USB 3.0 ports and 4 memory card slots, supporting various card types.
Compatible with Windows XP, Vista, Win7, Win8, Win10, and Mac OS 9.1 and higher versions.
Product Name: Memory Card Reader
Material: ABS + Aluminum Alloy
No external power supply
Features: Integrated high-speed ports, high-speed data transmission, multi-functional memory
Size Details:
Length: 7.6 cm / 2.99 inches, Width: 5 cm / 1.97 inches, Height: 2.5 cm / 0.98 inches (approx.) 
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Due to the differences in lighting and screen settings, the color of the product may be slightly different from that shown in the picture. As the measurements are made manually, slight variations in size are acceptable. 
The packaging includes:
1 x Card reader