【Vertical Ergonomic Mouse】Featuring an ergonomic 57° tilt angle, this mouse naturally conforms to the contours of the right hand, maintaining a relaxed hand position that effectively prevents wrist fatigue and carpal tunnel syndrome—making it an ideal choice for extended work sessions. 【LED Screen Display】The Wireless Vertical Mouse Real-time updates of DPI, battery level, and connection mode are displayed on the screen without requiring additional drivers. The innovative knob offers exceptional efficiency for tasks such as zooming, horizontal scrolling, and volume adjustment—making it ideal for accelerating design work in CAD or Photoshop and managing complex spreadsheets. 【6-Level DPI Adjustment】This vertical mouse wireless features six DPI settings (800/1600/2400/2800/3200/4000) for effortless switching to accommodate design work, office tasks, web browsing, and light gaming. Note: The buttons are non-programmable, and the forward/back navigation keys are not compatible with Mac OS. 【Three-Device Connectivity】This wireless ergonomic mouse features a dual-mode design with 2.4G + Dual Bluetooth 5.0 connectivity, enabling seamless connection to up to three devices. Compatible with Windows and Mac OS systems, it works with desktop computers, laptops, tablets, and more. 【Rechargeable Ergonomic Mouse Bluetooth】Say goodbye to disposable batteries. This Bluetooth vertical mouse features a built-in 500mAh lithium-ion battery that charges conveniently via the included Type-C cable. Additionally, the silent mouse supports button wake-up functionality and an auto-sleep mode to effectively conserve power. 【Ultra-quiet Ergonomic Wireless Mouse】This USB vertical ergonomic mouse features a silent button design that delivers soft, tactile click feedback, eliminating the noise typically associated with traditional mouse clicks. It is ideal for libraries, late-night work, important meetings, and shared spaces. Transformers Vertical Ergonomic Mouse with LED Screen & Knob Control, Rechargeable Vertical Mouse Wireless Black, 3-Device Connectivity (2.4G + Dual Bluetooth), Quiet Clicks, 800-2400 DPI, Computer Mice for PC/Mac/Laptop