Ergonomic Vertical Mouse for Wrist Pain Relief natural handshake grip reduces strain; right-hand design helps prevent fatigue/carpal tunnel during long office or WFH sessions. Dual-Mode Connectivity connect up to 2 devices via Bluetooth + 2.4GHz USB dongle; switch instantly between laptop, desktop & tablet (Windows/Mac/Android). Rechargeable Wireless Mouse built-in battery with Type C charging; cut the hassle of AA cells; stable 10 m wireless range for clutter-free desks. Adjustable Sensitivity up to 4000 DPI 800/1600/2400/4000 DPI levels for precision control in Excel, design, browsing and casual gaming. 6-Button Controls DPI switch, scroll, left/right + forward/back for faster navigation; boost productivity on Chrome, Office, Photoshop and more. Smooth & Lag-Free Tracking advanced optical sensor and 2.4G technology deliver accurate cursor control on most surfaces. Warranty : 12 Months Importer/Manufacturer/Packer : Portronics Digital Private Limited, Ground Floor and First Floor, Property No. D 8 Upper Basement, Sector 8, Noida, Gautam Buddha Nagar, Uttar Pradesh, 201301