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| Price | $44.20 to $53.59 | $79.95 to $109.99 | $68.00 to $69.95 | $26.25 to $33.84 | $29.89 to $79.99 |
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| Release date | August 19, 2009 | ||||
| The Bottom Line | The 3M EM500 Ergonomic Mouse requires some adaptation, and it offers only the most basic mouse functionality. But the payoff is a more comfortable mousing experience. | Logitech has met and surpassed Microsoft's recent mouse technology innovations by introducing the most versatile mouse sensor on the market in its new Performance Mouse MX. But even if you don't have a glass table crying out to become a workspace, this high-end input device has enough features and cushy design to make it a justifiable indulgence for anyone who takes their cursor control seriously. | Evoluent's updated VerticalMouse 3 refines its longtime ergonomic mouse product into a robust modern competitor. It lacks the wireless freedom of Microsoft's recent ergo mouse, but otherwise, it's just as comfortable, more feature-packed, and better designed. Just don't be afraid of its unorthodox looks. | Aimed at relieving or preventing the onset of repetitive stress injuries, Microsoft's new mouse seems to have the right idea in its redesign of the standard mouse grip. If Microsoft's hardware design team had paid as much attention to some of its other elements, this mouse would be a winner. | |
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| Features | |||||
| Battery | Info unavailable | 2 x AA type | Info unavailable | Info unavailable | 2 x AA type |
| Features | Info unavailable | Logitech Darkfield Laser Tracking | Scrolling wheel Programmable buttons | Info unavailable | Battery indicator Rubber side grips Scrolling wheel (4-way) High Definition Laser Technology |
| Dimensions (WxDxH) | Info unavailable | Info unavailable | 3.1 in x 4.4 in x 3 in | Info unavailable | Info unavailable |
| Cables Included | 1 x USB cable - Integrated - 6.6 ft | 1 x USB charge cable - External 1 x USB extension cable - External | 1 x Mouse cable - Integrated - 6.6 ft | Info unavailable | Info unavailable |
| Connectivity Technology | Wired | Wireless - 2.4 GHz | Wired - USB | Info unavailable | Wireless - RF |
| Orientation | Right-handed | Right-handed | Right-handed | Info unavailable | Info unavailable |
| Product Description | 3M Ergonomic Mouse EM500GPS Small - Mouse | Logitech Performance Mouse MX - Mouse | Evoluent VerticalMouse 3 Rev. 2 - Mouse | Info unavailable | Microsoft Natural Wireless Laser Mouse 6000 - Mouse |
| Color | Black | Info unavailable | Info unavailable | Info unavailable | Metallic gray |
| Microsoft Certification | Info unavailable | Compatible with Windows 7 | Info unavailable | Info unavailable | Certified for Windows Vista |
| Buttons Qty | Info unavailable | Info unavailable | 5 | Info unavailable | 5 |
| Movement Resolution | Info unavailable | Info unavailable | 2600 dpi | Info unavailable | Info unavailable |
| Wireless Receiver | Info unavailable | USB wireless receiver | Info unavailable | Info unavailable | USB wireless receiver |
| Movement Detection Technology | Optical | Laser | Optical | Info unavailable | Laser |
| Device Type | Mouse | Mouse | Mouse | Info unavailable | Mouse |
| OS Required | Info unavailable | Microsoft Windows 7 Apple MacOS X 10.4 or later Microsoft Windows Vista / XP | UNIX XFree 4.0.1 or later Microsoft Windows 2000 Microsoft Windows Vista Knoppix Linux 3.9 or later Apple MacOS X 10.4.5 or later Microsoft Windows Server 2003 Microsoft Windows XP Home Edition Microsoft Windows XP Professional Microsoft Windows XP 64-bit Edition Microsoft Windows Vista (64-bit versions) | Info unavailable | Microsoft Windows 2000 Microsoft Windows XP Home Edition Microsoft Windows XP Professional Microsoft Windows XP Tablet PC Edition Microsoft Windows XP Media Center Edition |
| Manufacturer Warranty | 2 years warranty | 3 years warranty | Info unavailable | Info unavailable | Info unavailable |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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