StarTech.com Bluetooth 5.0 Audio Receiver with NFC, Bluetooth Wireless Audio Adapter BT 5.0, 66ft (20m) Range, 3.5mm/RCA or Digital Toslink/SPDIF Optical Output, Lossless HiFi Wolfson DAC - For Stereos/Speakers - Bluetooth wireless audio receiver
3Dconnexion CadMouse Pro Wireless - mouse - Bluetooth, 2.4 GHz
Lenovo Unified Pairing - wireless mouse / keyboard receiver - USB
StarTech.com 15 ft Thin Toslink Digital Optical SPDIF Audio Cable - 15ft / 15 Feet Optical Audio Cable (THINTOS15) - digital audio cable (optical) - SPDIF - 4.6 m
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.