PERFECT ERGONOMICS. You hold your mouse for hours every day, so it's critical to use a good one! A vertical mouse is a must, and Om has the most ergonomic shape on the market, plus silent, micro-force buttons to further reduce tension and fatigue. FEEL BETTER AT WORK AND AFTER. A vertical mouse, or handshake mouse, puts your wrist and shoulder into a healthy position, reducing stress and pain. PRECISE PERFORMANCE. Om has 4 DPI settings (1200,1600,2000,2400) to ensure you get the best sensitivity for your body and workspace. Om's onboard OLED screen makes finding your perfect setting simple. Now that's good ergonomics. HASSLE-FREE. Om has a rechargeable Li-ion battery with an ultra long life, and ships with at least 50% battery charge level, enough to last for weeks. So you don't need to plug it in, or find batteries and a screwdriver. CONNECT SEAMLESSLY. When we decided to make our vertical mouse wireless, we knew it had to be a perfect connection. Om is wireles