Gear Head 2.4 GHz Wireless Desktop and 5-Button Laser Mouse (KBL5925W) 2.4 GHz Wireless Connectivity Laser Sensing Technology 15 Internet/Multimedia Hot Keys Nano USB Receiver Automatic Wireless Synchronization 2.4 GHz Wireless Connectivity Laser Sensing Technology 15 Internet/Multimedia Hot Keys Nano USB Receiver Automatic Wireless Synchronization 100% PC Compatibles Mac OS 10.3 and above