Quick overview from the supplier:
Wireless Keyboard & Mouse SVEN KB-C3500W, 12 Fn keys, Battery indicator, 1xAA/1xAA, 2.4Ghz, Black
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Radius of operation, m 10
Keyboard type multimedia
Communication technology wireless
OS compatibility Windows
Keyboard layout Eng/Rus
Cyrillic alphabet layout Windows
Number of keys, pcs 106
Number of shortcut keys, pcs 2 + 12 (Fn)
Keys contact membrane
Mouse optical, 5 + 1 (scroll wheel), 800/1200/1600 dpi
Mouse resolution, DPI 800/1200/1600
Radio channel frequency, GHz 2.4
Durability, clicks keyboard: more than 20,000,000
mouse: more than 3,000,000
Conformity to standards FCC, CE, EAC
Dimensions (W × H × D), mm keyboard: 440 × 135 × 31(41)
mouse: 115 × 76 × 39
Weight, g keyboard: 480
mouse: 71
Color black