I purchased this at Yamada Denki on December 3, 2024. After opening the box, I realized I already had one of the same type. I only plugged it into a PC once and haven't used it since. 【High Resolution Support】 This DADANDALL adapter supports 4K resolution and can output high-quality video. It's especially ideal for presentations and watching movies. 【Multi-functional Ports】 It has USB-C and USB-A ports, making it compatible with various devices. This allows you to connect multiple devices simultaneously. 【Power Delivery Support】 It supports Power Delivery up to 100W, allowing for quick device charging. This allows you to use it with peace of mind even when you're on the go. - Brand: DADANDALL - Model: SPD301CLG - Type: USB-C HDMI Adapter - USB Ports: USB-A, USB-C - Supported Resolution: 4K Compatible - Power Delivery: 100W Compatible - Accessories: USB Cable Thank you for viewing.