Take advantage of comfortable control with the medium VerticalMouse D Wired Mouse in dark silver from Envoluent. Featuring a 6.9' USB wired USB connection, this vertical mouse is designed for ergonomic, right-hand use. A laser sensor provides both adjustable dpi and pointer speed. LED indicators provide visual identification of the selected speed. Additionally, this mouse supports hyper scrolling and horizontal scrolling.

The VerticalMouse D Wired incorporates six programmable buttons. These buttons feature grooved contours for comfortable, ergonomic control. Furthermore, a wide bottom lip on the mouse prevents users' fingers from dragging along the desktop. This mouse is compatible with Windows 7 and later and Mac OS X 10.5 to 10.14. Please note, this mouse is NOT compatible with Mac OS X 10.15 and later. The medium VerticalMouse D is designed for hands measuring 7 to 7.8" from the base of the palm to the middle fingertip.

6.9' Wired USB Connection    Laser Sensor with Adjustable dpi    Adjustable Pointer Speeds    Pointer Speed LED Indicator    Six Configurable Buttons    Grooved Ergonomic Design    Horizontal & Hyper Scrolling    Right-Hand Design    Compatible with Windows & Mac

The ergonomic shape supports your hand in a handshake position. This design is intended to provide comfort and reduce the chance of wrist pain.

Smartly-placed thumb buttons are both within easy reach at the top and bottom of a contoured thumb rest.

Four lights show pointer speeds from slow to fast: slow speed or low DPI for precision work such as photo editing or drawing; fast speed or high DPI for quickly moving across the screen for general tasks.

Configure the buttons to perform nearly any function you wish, such as Copy or Paste, with fewer clicks and mouse movements.

Scroll horizontally in Microsoft Excel by pressing a thumb button and rolling the scroll wheel.

Smart scrolling varies sensitivity per notch in response to the speed you roll the wheel, from slow-and-precise all the way to hyper speed for blazing through long pages.

Quickly lower your screen's brightness to help reduce eye strain by simply rolling the mouse wheel. Easily change the brightness of the screen as your ambient light level changes.

VerticalMouse D models are available in three sizes: Small, Medium and Large. Small will fit hands measuring 7" or less from palm to the middle fingertip, while hands measuring 7 to 7.8" will be better fitted to Medium. Large is designed for hands exceeding 7.8" from palm to middle fingertip.

Related Questions and Answers

Q: 1. 1600 dpi - please what is the implication to that?

A: The higher the DPI, the more sensitive the mouse is. That is, you move the mouse even a tiny bit, the pointer will move a huge distance across the screen. If a mouse has 1600 DPI, then, if you move your mouse one inch (2.54 cm), the mouse pointer will move 1600 pixels. You can adjust this sensitivity up or down.

Q: 2. I use photoshop a lot. would this mouse be a good solution for my wrist pain?

A: Yes, the Evoluent VerticalMouse is specifically designed for people that suffer wrist pain and similar problems such as carpal tunnel syndrome.

Q: 3. In which country it is made / manufactured or assembled in? Have you stop selling CHINES made products?

A: The country of origin for this would be the country of China.

Q: 4. there are two sizes for the evoluent vertical mouse, small and medium, which is the one you are selling?

A: This model is the one that's good for medium to large hands.

Q: 5. how do I change the battery?

A: No batteries are used. It is wired usb, not wireless. The USB connection provides the power.

Q: 6. How long is the cord?

A: 6 feet in length.

Q: 7. Does this mouse work with mac os x desktop?

A: Yes, the Macally TURBO Mouse is compatible with both Windows and Mac OS.

Q: 8. 1600 dpi - please what are the implications to that?

A: DPi stands for dots per linear inch, a common way to measure mouse sensitivity. There can be higher dpi, than the mouse - but for an average mouse for an average use person it is just right.

Q: 9. Does this work with Mountain lion 10.7.5?

A: I have used the Expert Mouse with Mountain lion and everything up to 10.11.3 You will need the installation of TrackballWork 1.3 (that corresponds to Mountain Lion).

Q: 10. Should I get a 3-D connection CAD mouse Pro or the space mouse first?

A: It would honestly come down to a personal decision and what you are looking to improve but the Space Mouse seems to be more useful based on the user feedback I have received from each product from users using CAD software.