The right Windows key can be used as the “Fn” function key.
“Fn”=Function key: Press the “Fn” function keys and then press any key to perform specific functions:
(1).”Fn” + Left “Windows”: Windows key ” Turn on / off “.
(2).”Fn” + “7”: 6 columns key wave down color flow
(3).”Fn” + “8”: Breathing light effect mode on
(4).”Fn” + “9”: Light effect suspended option on/off)
(5).”Fn” + “0”: Key wave color flow off
(6).”Fn” + “Arrow Up”: Light effect on & brightness up)(8 segment).
(7).”Fn” + “Arrow Down”: Light effect off & brightness down (8 segment).
(8).”Fn” + “Arrow Right”: Color flow speed up (1-4 segment, default: 1).
(9).”Fn” + “Arrow Left”: Color flow speed down (1-4 segment, default: 1).
(10).”Fn” + “End”: Two times in a row: Keyboard flash memory reset
(11).”Fn” + “F9”: Media select
(12).”Fn” + “F10”: Volume up
(13).”Fn” + “F11”: Volume down
(14).”Fn” + “F12”: Mute

Technical specification
1. Connector: USB
2. Keyboard size : 350(L) * 120(W) * 30(H)mm
3. Keyboard weight : 713g
4. key type：Mechanical switch blue type(The keyboard can stand 10,000,000 tines of keystroke, extending keyboard lifespan)
5. Keyboard backlight key:74 Blue key+13 orange key
6. internal storage : 512kB Flash Memory
7. Key force : 50+/-5g
8. Rated voltage/current : DC 5V/250mA
9. Color : silvery
10.USB line: Gold Plated terminal，length 1800mm +/-20mm.
11.System requirements: PC with Windows/ XP or Windows/ Vista 32/64 bit or Windows/ 7 32/64 bit or Windows/ 8/8.1 32/64 bit.