Quick overview from the supplier:
Wireless Keyboard & Mouse Genius Smart KM-8101, 12 Fn keys, Dust-proof, Quiet typing, 1000dpi, 3 buttons, 1xAA/1xAA, 2.4Ghz, EN/RU, Black
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Model Name Smart KM-8100
RF Frequency 2.4 GHz
Keycap type Concave
Genius Key support Yes
Smart engine (SmartGenius) Yes
Customizable Function Keys F1~F12
SmartGenius support Yes
Visual Function Key Bar Virtual Yes
App Profile support Yes
Function keys Yes, 12
Multimedia key Yes, 12
Mouse Sensor engine Optical
Mouse Resolution (DPI) 1000
Mouse Number of buttons 3 (left, right, middle button with scroll)
Battery type One AAA alkaline battery for keyboard
One AA alkaline battery for mouse
Other
Weight (g) Keyboard Approx. 488 g (without battery)
Mouse Approx. 53.5 g (without battery)
Dimensions (W x H x D) mm (inches) Keyboard 450.92 x 167.06 x 26.46 mm (17.75 x6.58 x 1.04 inches)
Mouse 95 x 56 x 35 mm (3.74 x 2.20 x 1.38 inches)
Compatible OS Windows® 7, 8, 8.1, 10 / macOS X 10.8 or later
Colors Black
What's included Wireless keyboard X 1
Wireless mouse X 1
USB receiver X 1
AAA alkaline battery for keyboard X 1
AA alkaline battery for mouse X 1
Multi-language quick guide
