Enjoy wireless performance that you can rely on with the 2.1 GHz wireless connectivity and Advanced Optical Tracking sensor of the Logitech M185 Wireless Mouse.Advanced 2.4 GHz wireless connectivity3 buttons1000 sensor resolutionSmooth, accurate operationPrecise tracking and cursor controlErgonomic curved designFantastic battery life ・up to one year!*Compact, lightweight and easy to transportProduct Highlight:Reliable wirelessAll-year power packBuilt to lastPlug-and-forget nano receiver6 x 10 x 4 CM3 Years Logitech Malaysia WarrantyPackage Content:1x Mouse1x Nano Receiver1x AA battery (pre-installed)1x User documentationFor Any Query Please Contact Bizgram Asia Pte Ltd +65-87776955