Model - Rapoo MT550, Series - Regular, Type - Bluetooth Mouse, Connectivity - Bluetooth, Style & Size - Regular Big, 2X Click - No, Click Sound - Yes, Mode - Multi, Max DPI - 600/1000/1300/1600, Number of Button - 6, Wheel - Yes, Lighting - Yes, Tracking Type - Optical, Color - Black, Features - The smart switch between Bluetooth 3.0, 4.0 and 2.4G ensures stable wireless transmission, intelligently connects to the working device, It simultaneously connects to up to 4 devices, and switches among them with ease, It simplifies complicated cross-platform use and meets multi-tasking requirements, can adjust 4 DPI values from 600/1000/1300/1600, which is up to 1600DPI, It can meet the accuracy of different screens, Speciality - Multi-mode Wireless Mouse, Switch between Bluetooth 3.0, 4.0 and 2.4G, Intelligently switch among multiple devices, Adjustable real-time DPI button, Part No/Model No - MT550, Warranty - 2 year, Country of Origin - Hong Kong, Made in/ Assemble - China