The perfect pair: a wired ergonomic center-aligned mouse and matching keyboard. RollerMouse Red Plus is a premium ergonomic center-aligned mouse made of aluminum, with a wide grooved roller bar and scroll wheel for better control. The roller bar is positioned in front of the body, ensuring minimal stretching during mouse work, and the centered working position protects against back, neck, and shoulder pain throughout the day. The wide wrist rest made of vegan leather and memory foam has an antibacterial surface and high resistance to disinfectant for the best hygiene. Balance Keyboard features adjustable legs and tilt functions that make it easy to set the keyboard in three positions: negative, neutral, and positive.