Whenever possible employees should purchase and use hard-wired equipment such as computer keyboards and mouse pointing devices and other electronics to save on the purchase of hundreds of thousands of batteries each year. This will also keep those batteries out of the landfill.
Don’t allow the purchase of wireless peripherals for desktop computers. Wireless mice, keyboards, and other devices are not necessary for desktop computers. They have a higher purchase price than traditional devices with wires, and they have higher operating costs because their batteries must be constantly replaced.