HP Wireless Elite Keyboard and Mouse Silent operation: High-tech scissor switch keyboard design offers a quiet experience. Wireless freedom: Free yourself from wires with wireless keyboard and mouse - up to 32 feet. Advanced 2.4GHz wireless technology for less delays or dropouts. Get more control: Control your entertainment experience with a comprehensive set of multimedia keys. Convenient access for multimedia controls - 3-buttons for easy volume control. HP TouchSmart PC hot keys. High-performance optical mouse: 800 dpi high-precision sensor provides precise, smooth and responsive tracking that works on most surfaces. Symmetric design for right or left handed use. Energy efficient: Conserve energy with PC sleep button. Monitor battery level with convenient on screen battery level indicator. Long battery life (keyboard - 12 months typical, mouse - 4 months typical).