Kensington Si600 Wireless Presenter with Laser Pointer presentation remote control - black
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
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.
Kensington - USB-C cable - 24 pin USB-C to 24 pin USB-C - 1 m
The Easy Riser lifts your laptop to promote airflow, reducing strain on the laptop battery and circuitry. It also raises the monitor to increase your comfort.