Tech Specs :

General : Lenovo Essential Wireless Combo Keyboard & Mouse
Supported Operating Systems : OS Independent
Operating Temperature : 0-40 C
Operating Humidity : 20-95%
Weight : 0.58 kg
Dimensions : 424 mm x 155.5 mm x 20.5 mm
Y direction Key Pitch : 19 mm
X direction Key Pitch : 19 mm
Color : Black
Connection Type : 2.4 GHz Wireless via Nano USB
Hardware Requirements : Supported PC with USB port
Brand : Lenovo
Warranty Type : 1 Year - Customer Replaceable Unit
Package Type : Brown box
Length : Mouse - 61 mm, Keyboard - 424 mm
Shipment Group : Lenovo Essential Wireless Mouse, Lenovo Essential Wireless Keyboard, 1 Nano USB receiver, 3 AA batteries, Set-up and information poster
Scrolling : Scroll wheel (up/down)
Power Requirement : Mouse - 1 AA battery, Keyboard - 2 AA batteries
Mouse Sensor : Optical Sensor
Keyboard Key Lifecycle : Up to 3 million clicks
DPI : 1200 DPI
Button Life : Up to 10 million clicks
Keyboard Buttons : 3 (left click, right click, scroll click)
Battery Life : Up to 12 months
Language Layout : US English (103P)
Keyboard Layout : 2.5 zone layout