Switch: Blue color: White keys: 21 keys Cable length: 150cm Product size: 12.5*8.5*3.8Cmcm product Weight: 208G Package size: 15*10.5*6.0cm Package Weight: 275G

Applications - (a) good for laptop users. Suitable for banking, financial securities, business workers. (B) good for laptop users. (C) used in counter register. (D) used with 87 keyboards, 82 keyboards, 68 keyboards, 61 keyboards and other keyboards without numeric section. Hot keys available - pressing fn+esc TO turn on computing device, FN+ tab to turn on "("; FN+ backspace TO turn on ")"; FN+ Numb TO turn on "="; FN+/ TO turn on $; FN+ * to turn on and FN+ - to turn on. A stand-alone chip device that is designed for easy control and its noninterference with the main keyboard. Cool backlight and responsive modes - you can choose from 4 different options by pressing FN+ 5. (A) constant bright mode; (b)single light mode; (C) breathing mode (D) backlit off. (E)pressing FN+ + for brightness increase and FN + enter for brightness decrease. 21-Key mechanical numeric keypad with Blue switches - key switch mechanism is mechanical with Excellent touch, and since they're brown switches they're pretty quiet compared to the other mechanical keys, suitable for both office use and gaming.