Wireless, optical, 2.4 GHz mini mouse. 2.4 GHz technology provides the reliability of a cord without the tangled mess of cables. Features a long range, micro-sized Nano receiver with up to 26' range. Soft-touch, rubberized side grips, pinpoint accuracy, quiet scroll wheel, and long battery life. Compact design with a sleek black finish. Requires 2 AA batteries, included. 2 year warranty.