SLEEK AND COMFORTABLE: Streamline design with high-quality rubber coating and high gloss details. Finished with an understated black colorway and ergonomic contours. A well-placed matte finish complements the fluid shape of the mouse while enhancing grip and comfort. ERGONOMIC DESIGN: If you spend a lot of your time behind the computer and your hand on the mouse, make sure you've got quality on your side. As the position puts minimum stress further on forearm and shoulder, it’s also ideal choice for repetitive gliding mouse control. HIGH PRECISION MOUSE CONTROL: The mouse is a dual-way scroll wheel design, and the left and right buttons adopt a silent micro-motion design, and there is no noise when working. The mouse fits your left hand very well, making it more convenient and comfortable to operate after adapting to a period of time. WIRED USB MOUSE: The mouse is an optical mouse with more sensitive signal sensing and has faster signal reception and transmission. The vertical mouse is a USB interface wired design, and it can be directly connected when in use, which is convenient for operation without other receivers. LEFT HANDED MOUSE: This mouse adopts ergonomic design, specially designed for left hand, which has comfortable and convenient hand feeling. With a reengineered scrolling wheel, the vertical mouse fits perfectly to the shape of your hand, ensuring a smooth, scroll all day long.