Specifications:

Brand: Lenovo

Series: Essential Series

Model: 100 Black Wireless Combo (4X31N94475)

Keyboard

Form Factor: Full-Size 103-key Qwerty keyboard

Connection Type: 2.4 GHz wireless connection via USB Receiver

Wireless Range: 10 m

Battery Details: 1x AAA (Alkaline battery)

Battery Life: Up to 15 months

Switches: Membrane Technology

Mouse

Connection Type: 2.4 GHz wireless connection via USB Bolt Receiver

Wireless Range: 10 m

Battery Details: 1x AA (Alkaline battery)

Battery Life: Up to 18 months

Buttons: Silent Buttons, Left & Right primary buttons with middle click

Sensitivity: Up to 1600 DPI