Say goodbye to wrist fatigue with this premium Ergonomic Wireless Vertical Mouse! Specifically designed with an upright 57-degree "handshake" angle to reduce muscular strain and forearm twisting. Features smooth tracking precision with adjustable DPI settings, quiet-click buttons, and a built-in high-capacity rechargeable battery (no loose AA batteries required!). Dual connectivity allows seamless swapping between devices via the included 2.4GHz USB receiver or wireless pairing.Condition: Brand New in original factory retail box.Includes: Vertical Mouse, USB wireless receiver, charging cable, user manual.PLEASE NOTE: High-quality retail overstock liquidation stock. Outer factory cardboard packaging boxes may show minor warehouse storage shelf wear, but all internal items are verified 100% brand new, pristine, and factory sealed.Fast shipping! Pre-boxed and ready to ship next business day.