Product Colour: Black & Red with red light Black with blue light Meet your diverse needs, either for daily work or games. 2. 2.4G Wireless Technology Advanced 2.4GHz Wireless - Stable connection, precise trace, fast data transmission speed. Up to 10m working distance, avoiding lag, dropouts and interference, excellent wireless gaming mouse for casual and professional gamers. 3. Sustained ClickLeft and right buttons make little noise when clicked. Perfect for public places like offices, libraries, dormitories, internet cafes where you don't want to disturb others or break your concentration. 4. Advanced Power Saving ChipMulti-level power saving mode, auto sleeping function - The wireless gaming mouse is in sleep mode if not used to save power after 8 minutes. Then simply press any button to activate it. Mouse with LED light. 5. Strong Compatibility Works perfectly for Windows 7/8/10/XP/Vista/ME/2000/Mac10.x etc.