Wireless Keyboard and Mouse Reduce desktop clutter with this essential accessory—perfect for situations where a laptop is elevated off the desk. Embedded Insta-Link™ technology connects the keyboard and mouse to your computer wi... MSRP: $59.00 Part Number: 97-467 + Learn More HD Extender (black) Add an extender to your HD Arm and increase its reach by 18" (46 cm). MSRP: $125.00 Part Number: 44-396-200 + Learn More