HP S3000 Wireless Mouse Features Reliable 2.4GHz Wireless connection up to 10m range up to 2400 DPI High Precision Optical engine USB Nano Receiver Weight : 58 g For more mice Nice rest place on the left where your thumb can rest. Comes with two durable smooth feet pads for the bottom of the mouse gamer to make the mouse slide better. You can enjoy responsive and smooth cursor control with the 800-2400DPI (adjustable) high-definition invisible tracking engine. Compact Mini Design – you can take it wherever you go, either for home,office or travel, just slide it into your pocket, super portable and practical.