The Dark Perk Ergo gaming mouse is super lightweight at only 55g, making it the ideal extension of your hand. It is easy to control and lets you get perfect flick aim. The Dark Perk Ergo will allow you to excel at your game for hours on end, with minimum fatigue. No need to replace AA batteries! The built-in battery lasts up to 110 hours at 1,000 Hz polling rate (or 1 ms response time). For such a long battery life in a lightweight gaming mouse, a high-capacity battery is not enough. The carefully selected Nordic Semiconductor nRF54H20 MCU and PixArt sensor, combined with balanced firmware development result in the perfect blend of performance and battery life. You do not even need to interrupt your gaming session while recharging, you can use the Dark Perk Ergo with a braided 1.8m USB-A-to-C cable as well. The PixArt PAW3950 is widely considered the best mouse sensor in the world. For the Dark Perk Ergo, only the best was good enough. With a resolution of up to 32,000 DPI, you can fine-tune to incredible levels and enjoy rock-solid and smooth tracking. Plus, with a polling rate of up to 8,000 Hz, in both wireless and wired mode, the response time is lightning-fast. The Optical 70m switches for the left and right mouse buttons are super-fast, responsive, easily spammable, and have a silent sound profile. You can reprogram 5 buttons, so they are tailored exactly to your needs. Create multiple profiles and loadouts for your games in be quiet! IO Center. There is also a switch at the bottom that cycles between 5 customizable DPI levels, and a slider that turns the mouse on or off, to preserve battery life. An ergonomic shape makes the Dark Perk Ergo intuitively easy to grip. 2 thumb buttons are conveniently placed in reach for any grip style. With the be quiet! IO Center, you can take full control over your Dark Perk mice and other be quiet! devices like keyboards. It enables you to configure elaborate per-key lighting effects, remap keys and set up macros in different profiles. The software is using very little system resources while active, and a web-based application is also available. Be quiet! Dark Perk Ergo Computer Mouse