※ Unopened, set of 4 units. ※ The top and bottom openings are sealed with dedicated tape. ● ELECOM USB 4PORT DST-C255V ・ A docking station that connects directly to the USB Type-C port of a computer or tablet PC, allowing you to connect USB devices and HDMI displays. ・ Equipped with one USB Type-C port supporting USB Power Delivery. ・ Equipped with one USB-A port supporting USB 2.0. ・ Equipped with an HDMI port for video output from a computer to an external monitor. ・ Equipped with a 3.5φ 4-pole stereo mini-jack for headphones/microphone, commonly found on smartphones. ・ Supports USB Power Delivery, supplying up to 60W of power to the device/computer via the USB Type-C connector. ・ By connecting a USB Type-C power adapter, it is possible to charge the computer itself through this product. ・ Uses an aluminum casing with excellent heat dissipation and noise resistance, providing a high-quality feel. ・ Cable-less design for easy portability. ・ Directly connects to the USB Type-C port, making it ideal for tablet PCs. ・ Includes a support attachment to reduce stress on the device when connecting to thin (less than 6mm) tablet PCs. Supported OS: Windows 11 / Windows 10 / macOS Ventura 13 / macOS Monterey 12 / iPadOS 16 External Dimensions: W80MM × D approx. 25MM × H approx. 10mm (Excluding protrusions)