Nintendo Wi-Fi USB Connector | Online Connection | Support | Nintendo
USB WiFi Adapter 1300Mbps, USB 3.0 Wireless Network Adapter, 802.11ac WiFi Dongle with Dual Band 2.4GHz 5.8GHz, 5dBi Antenna, Supports Windows 10 8 7 Vista XP, Mac10.6-10.13, Linux - Newegg.com
Amazon.com: Nintendo Switch Wired Internet LAN Adapter by HORI Officially Licensed by Nintendo, Case : Video Games