Specifications:
Connectivity
Connection Modes : Wireless (dongle)
Wireless Transmission : 2.4 GHz
Operating Distance : Up to 10 meters range & 360˚ coverage
USB Type : 3.0
Nano USB Receiver : Plug & Play
Nano USB Receiver Storage Compartment : Yes

Features
Keyboard Numpad : Yes
Keyboard Multimedia Keys : No
Keyboard Function Keys : Yes
Mouse Buttons : 3 including a 2D scroll-wheel
Mouse DPI : 1000
DPI Switch : No
Mouse Tracking Technology : Optical
Drivers : No

Power
Battery : Alkaline battery
Battery Included : 2 AA alkaline batteries
Battery Life : Up to 12 months