Ergonomic vertical mouse with a 57degree tilt to align the hand in a natural posture. The vertical orientation and contoured body reduce wrist rotation and help users work more comfortably during extended computer sessions. Key benefits Natural hand position: 57degree vertical angle positions the hand and forearm to limit twisting and distribute contact across the palm. Flexible connectivity: Tripleconnect system lets you switch between Bluetooth (pair with up to two devices) and a USBC receiver for a total of three simultaneous pairings. Stable, confident control: Contoured shape plus textured grips give secure handling for precise pointer movement and long use. Convenient navigation: Forward and back buttons speed up browsing through documents and web pages without moving the cursor to onscreen controls. Broad compatibility: Works with Windows 10 and 11, macOS, iOS, Android, and mainstream laptops including Dell, HP, and Apple MacBook models. Features and specifications Angle: 57degree vertical design to promote a more neutral hand position. Connectivity: Bluetooth x2 device support plus USBC wireless receiver for three device connections. Controls: Standard left and right click, scroll wheel, and dedicated forward/back buttons. Grip and finish: Ergonomic contoured shell with textured side grips to prevent slipping. Power management: Autosleep after idle periods; tap any button to reactivate instantly. Practical use scenarios Software development: Switch quickly between a work laptop and a tablet for testing or documentation while maintaining a consistent hand position. Graphic and UI design: Use the textured grip and stable contour for detailed pointer movements when working on illustrations or layouts. Remote work and study: Move between presentations, web research, and longform writing with easy device switching and browser navigation shortcuts. Quick tips Remove the protective film from the base before first use for smoother movement. If the mouse goes to sleep after 30 minutes of inactivity, tap any button to wake it immediately. This mouse combines a vertical form factor, multidevice connectivity, and practical controls for users who need comfortable, reliable pointing across multiple devices.