Anker USB hub. For detailed specifications, please refer to the following excerpt from Rakuten Ichiba or search by the product name. I purchased this from the Anker Rakuten store 5 years ago and used it at home. I am selling it to organize my belongings. Since this is not an expensive item, I am not accepting price negotiations. * Price at the time of purchase: 5,190 yen * Rakuten Ichiba product title Anker PowerExpand+ 7-in-1 USB-C PD Ethernet Hub, 4K HDMI Output Port, 60W Output, Power Delivery Compatible USB-C Port, 1Gbps Ethernet, 2 USB-A Ports, microSD & SD Card Slot, Compatible with MacBook Pro, ChromeBook, etc. * Rakuten Ichiba product description Anker PowerExpand+ 7-in-1 USB-C PD Ethernet Hub USB-C hub supporting data transfer, Ethernet, 4K 30Hz HDMI connection, and full-speed charging via PD. 7 ports in one With this hub, you can connect to 2 USB-A ports, a USB-C charging port supporting Power Delivery, a 4K 30Hz HDMI port, high-speed Ethernet, and microSD & SD card slots. High-speed Ethernet connection You can instantly access the internet (up to 1Gbps) via an Ethernet connection. High-quality output Equipped with a 4K output HDMI port, you can enjoy content on a large screen. Power Delivery support While using the hub for data transfer and HDMI connection, you can also charge your MacBook at full speed with a maximum output of 48W (12W output is used to power the hub itself). High-speed data synchronization You can instantly synchronize music playlists and photo albums with high-speed data transfer of 5Gbps. Note This product is not suitable for pass-through charging of smartphones and tablets. It may not be compatible with 2.4GHz wireless devices, MIDI devices, and USB 3.0 devices. The hub's cable length is approximately 18cm.