The Anker 2.4G Wireless Ergonomic Mouse is a sleek and comfortable right-hand vertical mouse designed for efficient use. With a maximum DPI of 1600, this black mouse offers a precise and smooth tracking experience. The ergonomic design helps reduce strain while using, making it ideal for long periods of work or gaming. The wireless connectivity with a USB receiver ensures freedom of movement without sacrificing performance. With optical tracking and 5 buttons, this Anker mouse combines functionality and comfort for a reliable user experience.Thank you for your business! Returns not accepted unless item is not as advertised.