Lenovo 4X31K03961 Wireless Keyboard + Mouse + Bluetooth

The 4x31K03961 Lenovo Combo is the perfect solution for those who seek comfort and efficiency in their work space. This set includes a wireless keyboard and mouse, designed to offer a fluid and uncomplicated user experience.

The keyboard has an ergonomic design that adapts to the shape of your hands, allowing long hours of writing without causing fatigue. Its keys are soft to touch and offer an optimal response, which improves productivity and precision in each pulsation. In addition, its Bluetooth connection guarantees a stable and fast connection with your device, eliminating cable disorder and facilitating transport.

The wireless mouse complements the keyboard perfectly, providing agile and precise handling. Its ergonomic shape conforms comfortably to the palm of the hand, which reduces tension during prolonged use. With advanced technology, this mouse offers fluid navigation without interruptions, ideal for daily tasks or for game sessions.

Both devices work with long -term batteries, which means that you will not have to constantly worry about the load. In addition, its elegant and modern design adapts to any environment, either at home or in the office.

The Lenovo Combo 4x31K03961 is undoubtedly an intelligent investment for those who value quality and comfort. With its ease of use and its reliable performance, this wireless keyboard and mouse are the ideal choice to improve your digital experience.

Technical Specifications

• Brand Lenovo
• Model 4X31K03961
• Features – Programmable keys
• Lithium battery
• Smooth switching between up to 3 devices
• Dual mode connections: 2.4G and Bluetooth
• Dynamic wheel
• Grip with biocaucho coating
• AES 128 encryption
• Agency certifications
• CE
• CB
• BQB
• TUV Mark
• cTUVus
• FCC
• IC
• IDA
• WPC
• BIS
• SIRIM
• NTA
• SDOCo
• SDPPI
• NTC
• MIC
• AITI
• RCM
• NCC
• BSMI
• MSIP
• VCCI
• JRF
• SRRC
• ANRCETI
• ICASA
• MINCOM
• STA
• MoC
• UkrSEPRO
• ACI
• FAC
• TRA
• NTRA
• TRC
• MOC
• ICT
• INACOM
• NCC
• ANRT
• CERT
• CNC/AFTIC
• ANATEL
• SUBTEL
• IFETEL
• TUV NOM
• Hardware requirements: PC compatible with USB-A port or low energy Bluetooth
• Connectivity: 2.4G and Bluetooth
• Key lifecycle: Up to 10 million clicks
• Key distance in Y direction: 19.05 mm
• Key distance in X direction: 19.05 mm
• Language layout: Spanish
• Button lifespan: Up to 10 million clicks for left and right buttons
• Number of buttons: 8 buttons (left/right click, DPI button, forward button, backward button, power switch, multi-device switch, scroll wheel with central click and right/left tilt)
• Scrolling in 4 directions (up, down, left, right)
• Mouse resolution: Adjustable in 3 levels (default: 2400, 1600, 800)
• Levels can be configured via Lenovo Go Central software up to 4000
• Mouse sensor: infrared optical
• Battery charging time: 2 hours for full charge
• Battery life: Up to 3 months
• Cable length/type: 1 M / USB A to C
• Power requirements
• Keyboard: 420 mAh lithium battery
• Mouse: 380 mAh lithium battery
• Environmental
• Minimum relative humidity (%): 20%
• Smart Find visibility
• Maximum relative humidity (%): 95%
• Maximum operating temperature: 40º
• Minimum operating temperature: 0º
• Dimensions and weight
• Mouse: 36.06 x 62.23 x 111.29 mm
• Keyboard: 14.8 x 128.8 x 437.4 mm
• Mouse: 80 g
• Keyboard: 586 g
• Review date 17-10-2025 by RTY