LENOVO Essential Wired Keyboard & Mouse Combo Bulgarian layout

Full-size wired keyboard and optical mouse combo with USB plug-and-play. Low-profile island keys, FN multimedia shortcuts, spill-resistant keyboard membrane and soft-touch finish — designed for reliable everyday office and home use.

• Connection: USB (wired, plug & play).
• Keyboard: full-size, low-profile island keys, Caps/Num LED indicators.
• Mouse: optical, 3 buttons — commonly listed as ~1000 DPI (some Lenovo regional materials list up to 1600 DPI for other revisions).
• Durability: spill-resistant membrane and adjustable feet.
• Keyboard dimensions: 424 x 146 x 20 mm; Mouse dimensions: 62 x 111 x 34 mm.

Multiple part numbers exist for language/layout variants — Lenovo service documentation lists Bulgarian variants (e.g., 4X30L79889) and AI/Bulgarian SKU 4X31R64406 is used by some retailers. See product references below for details.

Specifications

• Manufacturer: Lenovo.
• Part numbers: 4X30L79889 (Bulgarian 442); 4X31R64406 (AI Bulgarian listed by some retailers).
• EAN / GTIN: 0195892115403 (listed for 4X31R64406 by a retailer).
• Connection: USB wired, plug & play.
• Set includes: Full-size keyboard + optical mouse (3 buttons).
• Mouse: Optical sensor; commonly listed as 1000 DPI (regional materials sometimes list 1600 DPI for other revisions).
• Keyboard dimensions: 424 x 146 x 20 mm.
• Mouse dimensions: 62 x 111 x 34 mm.
• Color: Black.

Product review

The Lenovo Essential wired combo is a straightforward, no-frills input set that focuses on comfort and reliability. The low-profile keys make typing comfortable for long sessions while the wired USB connection ensures zero latency. It’s a solid budget choice for offices and home users who want a durable, OEM-branded keyboard + mouse bundle.