Lenovo Essential Wireless Keyboard and Mouse Combo Gen 2, UK English, Black
The Lenovo Essential Wireless Combo Gen 2, part number 4X31N50745, pairs a full-size UK English keyboard with a 1600 DPI optical mouse. The included USB-A nano receiver connects both devices over 2.4 GHz wireless.
Everyday wireless input
The keyboard includes a numeric keypad and uses one AAA battery. The three-button mouse uses one AA battery and provides vertical wheel scrolling. Lenovo rates battery life at up to 15 months for the keyboard and 18 months for the mouse; actual runtime depends on use. This is the UK English keyboard layout.
Tech Specs
| Model | 4X31N50745 |
|---|---|
| Minimum Relative Humidity (%) | 20% |
| Maximum Relative Humidity (%) | 95% |
| Maximum Operating Temperature | 40 degrees Celsius (104 degrees Fahrenheit) |
| Minimum Operating Temperature | 0 degrees Celsius (32 degrees Fahrenheit) |
| Hardware Requirements | Supported PC with USB-A port |
| Connectivity | 2.4G |
| Agency Approvals | CB TUV Mark CE cTUVus FCC IC IMDA WPC BIS SIRIM NBTC-SDOC SDPPI NTC AITI TRC NCC BSMI MSIP VCCI JRF KVALITET ICASA TRA NTRA MOC PTA ICT EQM BOCRA ARCT ETA NCA POTRAZ etc. |
| Packed Weight | 680g |
| Packed Dimensions (L x D x H) | 520 x 142 x 42 mm |
| Package Type | Brown Box |
| Package contents | Keyboard, mouse, USB-A nano receiver, 1 AAA battery, 1 AA battery, setup and information poster |
| Product Weight | KB: 406.5g (without battery) MS : 65.5g (without battery) |
| Height | Mouse: 36.1mm KB:21.9mm |
| Depth | Mouse: 61.5mm KB: 134.5mm |
| Length | Mouse: 110.1mm KB:422.3 mm |
| Manufacturer warranty | 3-year customer-replaceable-unit (CRU) warranty, subject to Lenovo regional terms and eligibility; not an additional EditionSANI service commitment |
| Keyboard key durability | Up to 10 million keystrokes |
| Y-direction Key Pitch | 19.05 mm (0.75 in) |
| X-direction Key Pitch | 19.05 mm (0.75 in) |
| Backlight | No |
| Language Layout | UK English 166 |
| Button Life | 3 million clicks for left and right buttons |
| Mouse buttons | 3: left, right, scroll wheel |
| Scrolling | Two-way vertical scrolling |
| Mouse resolution | 1600 DPI |
| Mouse Sensor | Optical Sensor |
| Color | Black |
| Battery Life | Up to 15 months battery life for keyboard(may vary based on usage) Up to 18 months battery life for mouse (may vary based on usage) |
| Power requirements | Keyboard: one 1.5 V AAA battery; mouse: one 1.5 V AA battery |
| Supported OS | OS Independent |
| Brand | Lenovo |
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