Free From Wires: The Portronics Toad 25 is Optical Wireless Mouse with 2.4 GHz connectivity via USB Nano Dongle, with which you get a working optical range of 10 meters so that you can work more conveniently. Stable DPI For Your Work Needs: When pondering over cordless mouse performance and sensitivity, DPI becomes an influential aspect. Toad 25 has 1200 DPI (Dots Per Linear Inch) that is sensitive enough for unmatched performance for work and casual use. Optimal Tracking: Toad 25 has an impeccable optical sensor to track mouse movement that enables it to initiate responses on most surfaces - flat or irregular - which allows Toad 25 to work just about everywhere. Ergonomic Build: Easy to use with compact dimensions and for ambidextrous use, it feels sturdy between the fingers and comforts the palm for a pain-free affair. Integrated chip for saving battery life the wireless mouse goes immediately on standby when not in use. Greatly Compatible: With a click life of more than 30 lakh clicks, this wireless mouse is compatible with Windows (7, 8, 10 and 11) and macOS.