With its futuristic grey wave design, this sleek black mouse by Logitech makes computing much more fluid and intuitive. It comes with an almost retro scroll wheel in the centre, and it is Wi-Fi and Bluetooth enabled. This mouse is powered by a single AAA battery, and has a long (6 month) battery life. With the battery installed, the device weighs 1.83 oz. The mouse comes with advanced optical tracking.