8‑In‑1 Type‑C to HDMI HUB RJ45 Card Reader Multi‑Function Dock Adapter Condition: Item Type: 8-in-1 USB-C Hub Material: Aluminum Alloy Color: As Pictures Shown HDMI: 4K x 2K (3840 x 2160) 30HZ, backward compatible with 1080P 720P, etc. USB3.0: High-speed USB3.0 transmission 5GB/S, maximum power supply 4.5W, USB C Female Port: 20V @ 3A, maximum support 87W power adapter, USB C Male Head: Compatible with Thunderbolt 3. Ensure that the host USB-C port on the device meets the USB3.0/3.1 specification storage/memory Card Reader: storage and memory cards can work at the same time, the reading and writing speed depends on the quality of the card RJ45: The highest Ethernet speed: 100Mbps Size: Approx.16x3x1cm/6.3x1.2x0.4in