Number of buttons: 104 keysThe keycaps is jointly studied by international manufacturers,produced with 79 complicated processes.We adopt double injection molding process to ensure accurate and non-fading color, light transmission and high light transmittance.Key conflict: All keys are not in conflictUSB Cable Length: 160cmThe keyboard has white backlight and 30 light effects.The knob can switch lighting effects and adjust backlight brightness.Long press the knob to switch to multimedia mode: previous, next, play/pause, mute.The SW1/SW2/SW3 keys customize the lighting effects.Dimension: 450(L) x 140(W) x30(H)mmTransmission method: USB 2.0 interface1 x Keyboard oneCommonly used in PC, laptop and desktop, compatible with MAC, Windows systems.Great for gifting to your family and friends! Fashionable LED Punks Backlit Wired Mechanical Gaming Keyboard System Support: Windows 10/Windows 7/ Windows 8/ / XP/ Mac OS...or latestThe body is electroplated to give the metal a gorgeous color.At the same time, the metal panel is - to and . blue switches,tested by players, comfortable, sounds crisp and durable.The keys' position is ergonomically placed to reduce hand fatigue.