Color:Silver This 8-in-1 Lenovo USB-C Hub expands the limited USB connectivity of your computer with an HDMI output port, a Gigabit Ethernet port (RJ-45 port), a USB-C charging port, 2 USB 3.0 ports, a USB 2.0 port, and a SD and TF card slot. HDMI output port: Up to 4K UHD (3840x2160 @ 30Hz) or 2K/1080p/720p/480p/360p Ethernet port (RJ-45 port): 10/100/1000 Mbps USB 3.0 Type-A port: Data transfer: up to 5Gbps USB 2.0 Type-A port: Data transfer: up to 480Mbps SD/TF card slot: Supported memory card capacity: up to 512GB,Read/write speed: up to 104MB/S USB Type-C charging port: Charging: Up to 87W of power delivery (Only for laptop charging System requirements: Laptop with an available USB-C port Windows 7/8/8.1/10, macOS X v10.0 or above operating systemsNotes1.The USB-A ports of this product support Max. 5V 900mA total charging output. 2.For stable connection, connect a power adapter to the hub when using high-power devices.3.The USB-C female port of this product is only for charging USB-C laptops whose USB-C port supports USB Power Delivery (PD) and does not support data transfer.4.A 4K-capable display and HDMl cable are required to achieve 3840x2160 resolution. Tips4 ways to help reduce the USB 3.0 radio frequency interference to the wireless connection of some laptops. 1 Connect the laptop to a 5GHz Wi-Fi network. 2 Connect devices (e.g. mouse and keyboard) to USB 2.0 ports on the laptop 3 Connect the USB 3.0 hub to the laptop with a high-quality 1-foot or longer USB 3.0 extension cable; keep USB 3.0 devices away from the host computer.4 Use high-quality shielded USB 3.0 devices/cables/connectors. Specification Product Model: Lenovo USB-C Hub C106 Material: Aluminium alloy, ABS