Lenovo Professional Wireless Rechargeable Keyboard & Mouse Combo (4X31K03931)

Tech Specs
Language Layout
US English

Color
Grey

Battery Life
Up to 3 months

Cable Length/Type
1 M / USB A to C

Weight
KB: 586 g (20.67 oz)
MS : 80 g (2.82 oz)

Backlight
No

Mice Button
8 buttons (Left / Right Click, DPI Button, Forward Button, Backward Button, Power Switch, Multi-Device Switch, Scroll-wheel with middle click and right/left-tilt)

Button Life
Up to 10 million clicks for left and right buttons

Keyboard Key Lifecycle
Up to 10 millions clicks

Mouse Sensor
Optical IR Sensor

Hardware Requirements
Supported PC with USB-A port or Bluetooth Low Energy

Warranty Type
Customer Replaceable Unit (CRU)

Power Requirement
KB：420mAh lithium battery
Mouse：380mAh lithium battery

Scrolling
4-way scrolling (Up, Down, left, right)

OS Requirements
OS Independent

Packed Weight
885 g (31.22 oz)

Agency Approvals
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

Package Type
Brown Box (FSC Certified)

Packed Dimensions (L x D x H)
538 x 129 x 42 mm (21.18 x 5.08 x 1.65 in)

Height
Mouse: 36.06 mm (1.42 in)
KB:14.8 mm (0.58 in)

Cable Length
Mouse: 111.29 mm (4.38 in)
KB:437.4 mm (17.22 in)

Depth
Mouse: 62.23 mm (2.45 in)
KB:128.8 mm (5.07 in)

Special/Added Features
Programmable Keys / Lithium battery / Seamless switch up to 3 devices / Dual mode connections : 2.4G & Bluetooth / Dynamic Wheel / Bio-rubber coated grip / AES 128 encryption

Maximum Operating Temperature
40 degrees Celsius (104 degrees Fahrenheit)

Minimum Operating Temperature
0 degrees Celsius (32 degrees Fahrenheit)

Maximum Relative Humidity (%)
95%

Minimum Relative Humidity (%)
20%

Battery Charging Time
2hours for full charge

Included Accessory
Lenovo USB-A Unified Pairing Receiver, USB-A to USB-C charging cable

X direction Key Pitch
19.05 mm (0.75 in)

Y direction Key Pitch
19.05 mm (0.75 in)

Connection Type
2.4G & Bluetooth

DPI
3-level Adjustable (default at 2400, 1600, 800) , Levels can be configured via Lenovo Go Central Software up to 4000