Ergonomic Natural Grip: Experience all-day comfort with the Nulea ergonomic vertical mouse, meticulously crafted with a precise 57-degree angle to mirror the natural handshake position. This innovative design significantly minimizes forearm strain, enhancing your productivity and comfort throughout the day. | Adjustable DPI: Tailor your tracking precision with the ergonomic mouse, featuring adjustable DPI settings of 800, 1200, and 1600. This flexibility caters to various navigation requirements, ensuring a seamless and accurate experience for all your computing needs. | Wireless Freedom: Enjoy the liberty of wireless operation with the wireless computer mouse, equipped with advanced 2.4G USB technology for instant, smooth plug-and-play functionality. Enhance your productivity and unleash your creativity with unrestricted control and freedom.This mouse requires the use of an AA battery (not included in the packaging) | Efficiency-Enhancing Buttons: This carpal tunnerl mouse features six buttons including Forward or Backward and a 'Back to Desktop' key, accelerating web navigation. The durable, non-slip metal scroll wheel enhances control, perfect for intensive work sessions. | Effortless & Precise Tracking: Designed for comfort and precision, the laptop mouse reduce hand movement, reducing fatigue during long work hours. With up to 1600 DPI, the mouse provides exceptional tracking accuracy, ideal for demanding tasks and extended use.