2.26 in 1.4 in  | 3.85 in 1.39 in  | |
| Available colors | ||
| User rating |
 Dell WM126 |  Logitech M170 | |
|---|---|---|
| Type of motion sensor | Optical | Optical |
| Device interface | RF Wireless | RF Wireless |
| Purpose | Office | Office |
| Dell WM126 | Logitech M170 | |
|---|---|---|
| Operating resolution | 1000.0 dpi | 1000.0 dpi |
| Buttons type | Pressed buttons | Pressed buttons |
| Number of buttons | 3 | 2 |
| Scroll wheel | yes | yes |
| Number of wheels | 1 | 1 |
| Scroll type | Ball | Wheel |
| Scrolling directions | Vertical | Vertical |
| Dell WM126 | Logitech M170 | |
|---|---|---|
| Also for left-handed | yes | yes |
| Plug and Play | yes | yes |
| Dell WM126 | Logitech M170 | |
|---|---|---|
| Connection | Wireless | Wireless |
| Receiver type | Nano receiver | Nano receiver |
| Nano/Unifying receiver | yes | yes |
| Wireless receiver interface | USB Type-A | USB Type-A |
| Maximum range | 10 | 10 |
| Dell WM126 | Logitech M170 | |
|---|---|---|
| Colour of product |
|
|
| Form factor | Ambidextrous | Ambidextrous |
| Surface coloration | Monotone | Monochromatic |
| Dell WM126 | Logitech M170 | |
|---|---|---|
| Width | 2.26 in | 3.85 in |
| Height | 1.4 in | 1.39 in |
| Depth | 3.73 in | 2.42 in |
| Weight | 2.03 oz | 2.49 oz |
| Dell WM126 | Logitech M170 | |
|---|---|---|
| Power source | Batteries | Batteries |
| Battery type | R6 | R6 |
| Charging station included | no | no |
| Batteries included | yes | yes |
| Number of batteries supported | 1 | 1 |
| Pros | ||
|---|---|---|
| Cons |
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