High-Speed ConnectivityFeatures three USB 3.0 ports with 5Gbps bandwidth for fast data transfer and device connections Versatile Card ReaderEquipped with SD3.0 and TF3.0 card slots, supporting 100MB or s bandwidth for efficient media file access Plug-and-Play DesignNo additional setup required for normal use, ensuring seamless integration with your Mac Mini Auxiliary Power SupportIncludes a 5V or 2A auxiliary power input for enhanced stability and performance Premium Walnut ConstructionCrafted from high-quality walnut wood, adding a touch of elegance to your workspace Specifications: USB Ports: 3 x USB 3.0 (5Gbps) Card Readers: 1 x SD3.0, 1 x TF3.0 (100MB or s) Auxiliary Power: 5V or 2A input Material: Walnut wood Package included: 1 x Wooden Expansion Dock Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.