Thank you for viewing! [Background for Listing] I bought this because the built-in Wi-Fi on my computer wasn't working well, but I ended up buying a new computer, so I kept this product unused! It has been opened to check the operation! [Requests Before Purchase] Please read the profile section! If you think the product is "good!" whether you buy it or not, please "like" it! (It makes me happy even if it doesn't sell! lol) I will be listing various products, so please follow me! [Product Condition] The outer box is clean! [High-Performance Wireless LAN Adapter] BUFFALO's WI-U3-866DS achieves high-speed communication of 866Mbps and supports dual-band 2.4GHz and 5GHz. This enables stable connection and high-speed data transfer. [USB 3.0 Connection] By connecting to a USB 3.0 port, faster data transfer is possible than with the conventional USB 2.0. This improves network performance. [Convenient Package] The product comes in a package and is protected, so you can use it with peace of mind. - Brand: BUFFALO - Model Number: WI-U3-866DS - Communication Speed: 866/300 Mbps - Connection Method: USB 3.0 - Frequency Band: 2.4GHz / 5GHz - Color: Black - Accessories: Packaged [Other] If you have any questions or want to purchase, feel free to comment!