| Purpose | Office |
| Device interface | USB Type-A |
| Movement detection technology | Optical |
| Scroll type | Wheel |
| Buttons quantity | 3 |
| Buttons type | Pressed buttons |
| Movement resolution | 1600 DPI |
| Recommended usage | Universal |
| Number of scroll wheels | 1 |
| Certification | BSMI, CB, CE, EAC, FCC, ICES, KCC, RCM, Serbia, TUV-GS, UL, VCCI |
| Form factor | Ambidextrous |
| Product colour | Black |
| Cable length | 1.8 m |
| Operating temperature (T-T) | 0 - 50 °C |
| Operating relative humidity (H-H) | 10 - 90% |
| Windows operating systems supported | Windows 10, Windows 7, Windows 8, Windows 8.1 |
| Width | 62 mm |
| Depth | 111 mm |
| Height | 34 mm |
| Weight | 70 g |
| Package type | Box |
| Harmonized System (HS) code | 84716070 |
| Description |
| Lenovo 4Y50R20863. Form factor: Ambidextrous. Movement detection technology: Optical, Device interface: USB Type-A, Movement resolution: 1600 DPI, Buttons type: Pressed buttons, Buttons quantity: 3, Scroll type: Wheel. Product colour: Black |