The ProtoArc EM11 NL Wireless Ergonomic Vertical Mouse is a sleek black mouse designed for comfort and precision. With an optical tracking method and adjustable DPI up to 2400, it offers a smooth and customizable experience. Its ergonomic design and rechargeable feature make it convenient for long hours of use. The mouse is connected wirelessly via Bluetooth and USB-C, ensuring flexibility in how you use it. The compact size of 5.43 inches in length, 2.68 inches in height, and 2.72 inches in width makes it suitable for a variety of devices and settings.