In order to meet the needs of different users, this Bluetooth ergo mouse has 800-1600-2400-3200-6000 five-speed DPI adjustment function. You can switch freely according to the actual situation and get a more accurate operating experience. Features: ?New On-screen Design? : As our brand new mouse, we have added the function with on-screen display on top of the previous one, which is convenient for you to know the power and DPI of the mouse and so on quickly in the process of using. ?Vertical Angle Ergo Design?: The eelexa new upgrade EM11 PRO Wireless Vertical Mouse is ergonomically designed with a 55 vertical angle, effectively reducing wrist pain and making you more comfortable and healthy when using the computer for a long time. ?Three Connection Modes?: Supports both wireless and BT1/BT2 three connection modes, which is convenient for you to choose according to different needs. No need to worry about the compatibility issue, it is compatible with WIN8/10/Mac OS system and can be widely used in various devices. ?Multi-speed DPI Adjustment?: In order to meet the needs of different users, this Bluetooth ergo mouse has 800-1600-2400-3200-6000 five-speed DPI adjustment function. You can switch freely according to the actual situation and get a more accurate operating experience. ?Available during Type-C Charging? : Compared with traditional mice, our rechargeable mouse adopts Type-C interface for charging, which is not only convenient and fast to charge, but also can continue to use while charging without waiting. Package Includes: 1 x Office wireless mouse Listing and template services provided by inkFrog