・This product is a wired LAN adapter compatible with Giga and USB 3.0. Even computers without a LAN port can achieve wired LAN communication of up to approximately 941.7 Mbps (actual value) by connecting to a USB port. You can enjoy comfortable, high-speed internet even at hotels or accommodations that only have a wired LAN environment. ・It weighs only about 26g. Furthermore, its compact design fits in the palm of your hand, so it won't get in the way when traveling or on business trips. ・Please check the product page for details. https://www.buffalo.jp/product/detail/lua4-u3-agte-bk.html