Lenovo 4X31K03931 keyboard Mouse included RF Wireless + Bluetooth US English Black

Make charging easy with the integrated rechargeable battery in the keyboard and mouse Seamlessly switch up to 3 devices via the 2.4G Unified dongle or Dual BT on multi-OS Look your best with the sleek, contemporary design and premium textured finish Do it all with a full 3-zone tilt-leg keyboard with worldwide language layouts Experience the difference with responsive scissor-switch keys and silent typing Maximize your potential with the 8-button symmetrical mouse sporting up to 4000 DPI Be eco-friendly with our 65% PCC and Bio-based TPU materials Make it personal with programmable functions on both the keyboard and mouse Enjoy total peace of mind thanks to the 3-year warranty Both Mouse and Keyboard have AES128 encryption The Lenovo Professional Wireless Rechargeable Combo Keyboard and Mouse is a revolution in productivity and design. Its full-size keyboard features scissor switches that create an elevated typing experience. Its mouse, marvelously crafted from bio-rubber, keeps you comfortable all day and is equipped with an impressive 4,000 DPI sensor. Plus, both the keyboard and mouse are made from eco-friendly 65% recycled material that protects the environment. Keyboard Certification CECBBQBTUV MarkcTUVusFCCICIDAWPCBISSIRIMNTASDOCoSDPPINTCMICAITIRCMNCCBSMIMSIPVCCIJRFSRRCANRCETIICASAMINCOMSTAMoCUkrSEPROACIFACTRANTRATRCMOCICTINACOMNCCANRTCERTCNC/AFTICANATELSUBTELIFETELTUV NOM Multimedia keys Yes Windows keys Yes Multi-device support Yes Keyboard keys operating life 10 million characters Numeric keypad Yes Keyboard form factor Full-size (100%) Pointing device No Keyboard language US English Keyboard key switch Scissor key switch Device interface RF Wireless + Bluetooth Connectivity technology Wireless Design Product colour Black Adjustable keyboard height Yes Backlight No Power Charging source USB Type-C Service life of battery 3 month(s) Battery life (max) 2 h Battery capacity 420 mAh Battery technology Lithium Keyboard battery type Built-in battery Power source type Battery Mouse Mouse on/off switch Yes Mouse battery life 3 month(s) Mouse cable length 1 m Mouse battery type Built-in battery Button functions DPI switch, Forward Scroll type Wheel Scroll Yes Buttons type Pressed buttons Buttons quantity 8 Movement resolution 4000 DPI Movement detection technology Optical Form factor Ambidextrous Mouse included Yes Operational conditions Operating relative humidity (H-H) 20 - 95% Operating temperature (T-T) 0 - 40 °C Weight & dimensions Mouse weight 80 g Mouse dimensions (WxDxH) 111.29 x 62.23 x 36.06 mm Keyboard weight 586 g Keyboard dimensions (WxDxH) 437.4 x 128.8 x 14.8 mm Packaging data Package type Box Package weight 885 g Package height 42 mm Package depth 129 mm Package width 538 mm Packaging content Warranty card Yes Manual Yes Wireless receiver interface USB Type-A Receiver included Yes Number of products included 2 pc(s)