The The The , , Sushi Fresh. Daily monotonous tasks using a standard computer mouse can cause permanent injury to your shoulder, arm and hand. This is why renowned physiotherapists recommend ergonomic vertical mice as an alternative, such as the manejo ergonomic vertical mouse. Thanks to its vertical shape, your wrist always stays in a relaxed, neutral position even when performing repetitive movements. It's the stylish way to prevent chronic cramps and strain. Features 2. 4ghz wireless technology resolution: 1600dpi three buttons right handed mouse with posture enhancing shape ergonomic design power saving mode wireless range: 8m encourages a healthy posture integrated dpi switch practical led status indicator accurate, easy access and quiet scroll wheel perfect for any sized hand compact nano receiver stowable in the mouse automatic stand by mode for maximum battery life quick, driverless installation batteries (2x aaa) included dimensions (lxwxh): 127 x 72 x 60 mm Specifications : 2. 4ghz Wireless Connectivity Resolution: 1600dpi Integrated Dpi Switch Buttons: 3 Ergonomic Shape Includes Usb Nano Wireless Receiver