StarTech.com USB 2.0 AC600 Mini Dual Band Wireless-AC Network Adapter - 1T1R 802.11ac WiFi Adapter - 2.4GHz / 5GHz USB Wireless (USB433WACDB) - network adapter - USB 2.0
3Dconnexion CadMouse Pro Wireless - mouse - Bluetooth, 2.4 GHz
Lenovo Unified Pairing - wireless mouse / keyboard receiver - USB
Logitech Logi Bolt - wireless mouse / keyboard receiver - USB
Dell Universal Pairing Receiver WR221 - wireless mouse / keyboard receiver - USB, RF 2.4 GHz
ThinkEdge SE50 Intel Core i7-8665UE (4C / 8T, 1.7 / 4.4GHz, 8MB);1x 16GB SO-DIMM
Convert a PS/2 keyboard and mouse to a single USB interface. This PS/2 USB Adapter converts a single USB port into two universal PS/2 ports, letting you connect any PS/2 peripheral (e.g. mouse, keyboard) to a computer through USB.