1、ERGONOMIC DESIGN: The vertical wireless mouse conforms to the structure of the human hand, avoiding hand fatigue and discomfort. 2、WIRELESS CONNECTION: The vertical wireless mouse adopts wireless connection, which is convenient to move freely without worrying about cable entanglement. 3、USB PORT: Vertical wireless mouse has a charging function, built in battery, can be charged via USB, eliminating the need for frequent battery replacement. 4、VERTICAL DESIGN: The wireless ergonomic gaming mouse features an upright design that provides a more nature wrist and arm position by getting rid of the traditional flat mouse placement. 5、SUPERIOR PERFORMANCE: The vertical wireless mouse features 5th generation upgrades to increase user experience and longevity with greater accuracy, responsiveness and long lasting performance.