K820 Retro Steampunk Gaming Mechanical Keyboard-Blue Switch-RGB LED Backlit Knob Illuminated Keyboard,Typewriter-Style,Plating 104 Key Round Keycaps,for Game and Office,for Laptop Desktop PC MCU Hardware Specifications: This mechanical keyboard uses high performance Flash MCU. Support USB2.0 (full speed 12Mbps) transmission mode, control, interrupt and batch data transmission functions, full key no impact design. MCU has high operating frequency, fast response speed and wide operating voltage.Industrial grade specifications, working environment temperature wide, can be in complex external conditions to maintain normal work. MCU hardware parameters are as follows: The Flash ROM: ? 32 k bytes EEPROM: built-in ? 2 k bytes Working voltage: VDD = 3.3V-5.5V Working environment temperature: -40 Degree C - + 85 Degree C Function Declaration : 1.This mechanical keyboard can run on Windows 7, 8, 10 and other operating systems. 2.2. Support common game mode button backlight function and custom button backlight function. 3.Support a variety of dazzling LED lighting effects (please refer to the actual effect) Standard mode: support constant light mode, no trace in the snow mode, pointing at the mountains mode, breathing mode, running horse light effect (boot animation), stars mode, colorful mode, blossoming wealth mode, snake horse mode, sinusoidal light wave mode. Extended version mode: support on - and - go, trigger, button ripple mode, rotation storm mode, drift mode, streamer mode, streamer color mode, flow mode, diagonal changes mode. 4. Support brightness adjustment under normal light, breathing, streamer and other modes. When it is adjusted to the highest or lowest level, NumLock, CapsLock and ScrollLock are all flashing. 5. Support speed adjustment under breathing, streamer and other modes. 6.Supports eight lighting effects of peripheral RGB color decorativ

[Multimedia shortcut keys]: The keyboard has a "FN + other keys" multimedia shortcut key combination, which can quickly open multiple functions, such as "FN + F1 = My Computer" "FN + F3 = Calculator". In addition, the large knob on the upper right and the M1 / M2 / M3 keys also have multimedia functions (volume + / volume-/ mute, previous / next, play / pause) to help you quickly call up the functions you need. [Ergonomic Design ] - Fully Anti-ghosting gaming keyboard, which means you can press several keys simultaneously and release several skills during intense game without conflict, victory is just around the comer.Suspension key, concave keycap , fit your fingertips perfectly for precise positioning, prevent fatigue and wrong typing. [Wide Compatibility]Can be adapted to PC, desktop, laptop, computer.Plug & play, no drivers or software are required. Supported computer system including Windows 10, Windows 8, Windows 7, Mac OS X, Windows XP, Windows VISTA, MAC etc.Suit for game and office. Plug and play. No drivers or softwares are required. [Programming Design ]- each button can be set to macro, through the keyboard driver for each recording macro,104 key remappable, which means that when you press few keys at the same time, the computer can respond to all the keys at the same time, not just one of them. In addition, 104 keys are programmable. [Multiple backlit style effects+ Multimedia shortcut keys: ] The keyboard has been set with 30 kinds of lighting effects, such as breathing, wave, Z-shape, etc., which can be switched by pressing the knob on the upper right of the keyboard. What's more, the brightness can be adjusted by rotating the knob. In addition, you can customize the three lighting effects for the M1 / M2 / M3 keys. [Metal Panel & 104-Key Anti-Ghosting] - The keyboard panel was made of top-grade aluminium alloy material, with matte-finish texture, sturdy and robust enough to protect it from scratch. 104 keys full size keyboard, and all keys non-conflict. Every keystroke is registered during intense gameplay and fast typing, no matter how many other keys are pressed at the same time. Let you enjoy high-grade games with fast response. [Retro Typewriter Style with Mechanical Keys]-Mechanical blue switch for ultimate gaming performance. The mechanical keys offer medium resistance, audible click sound & tactile feedback. Vintage steampunk round keycaps looks like a classical typewriter, brings you comfortable typing feeling & stable clicking touch.