Check the listing for details. Kensington Wireless Presenter Remote Control 4BTN Black K33373US. Condition: Used. Listed at 25.99 USD. Kensington Wireless Presenter Remote Control 4BTN Black K33373US Main Features Wireless Technology: Radio Frequency Wireless Operating Distance: 60 ft Compatible Devices: PC Height: 0.5" Width: 1.8" Depth: 3.5" General Information Manufacturer: Kensington Computer Products Group Manufacturer Part Number: K33373US Brand Name: Kensington Product Model: 33373 Product Name: 33373 Wireless Presenter Product Type: Device Remote Control Technical Information Connectivity Technology: Wireless Wireless Technology: Radio Frequency Wireless Operating Distance: 60 ft Compatible Devices: PC Physical Characteristics Height: 0.5" Width: 1.8" Depth: 3.5" Miscellaneous Additional Information: Ergonomic design Fingertip control for easier,simple use Rubberized texture offers comfortable,secure grip and touch Wireless receiver stows inside controller body for carrying convenience