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Type of motion sensor | Optical | Optical | Optical | Optical |
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Device interface | USB Type-A | RF Wireless | RF Wireless | RF Wireless |
Purpose | Office | Office | Office | Office |
Number of buttons | 3 | 2 | 3 | 5 |
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Scroll wheel | no | yes | yes | yes |
Scroll type | Not available | Ball | Wheel | Wheel |
Operating resolution | N/A | 1000.0 dpi | 1000.0 dpi | 1000.0 dpi |
Number of wheels | N/A | 1 | 1 | 1 |
Scrolling directions | N/A | Vertical | Vertical/Horizontal | Vertical |
Buttons type | N/A | N/A | Pressed buttons | Pressed buttons |
Colour of product | Black |
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Cable length | 2.9 | N/A | N/A | N/A |
Form factor | N/A | Ambidextrous | Ambidextrous | Ambidextrous |
Material | N/A | Plastic | N/A | Plastic |
Rubber grips | N/A | yes | yes | N/A |
Surface coloration | N/A | Image | Image | Monotone |
Illumination | N/A | N/A | no | N/A |
Width | 1.48 in | 5.88 in | 3.73 in | 2.24 in |
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Height | 2.44 in | N/A | 2.24 in | 2.24 in |
Depth | 4.55 in | 3.5 in | 1.54 in | 1.51 in |
Weight | 3.81 oz | 7.05 oz | 3.28 oz | 4.49 oz |