MULTI-FUNCTION CUSTOMIZABLE DISPLAY & KNOB A brand new 1-Inch OLED Screen and a Rotary Encoder Knob are built in MAXFIT81, making this corner interesting! Display Functions: GIFs/Images, Dashboard, CPU Info, Storge Info, RGB ModeKnob Functions: Shortcuts, Combination keys, Macros Fantech Modular 75% RGB Mechanical Keyboard, a fine gear for PC gamers, and office users! GATERON G PRO V2 SWITCHES + PBT KEYCAPS VERSION Gateron G Pro 2.0 Pre-Lubed Switches The new mold further reduces the excess wobble, with factory pre-lubed effectively restraining the spring noise, and overall becomes more steady, quieter, and smoother.Features crystal clear transparent casing and upgraded light guide structure on the top cover for better refraction that provides a brilliant RGB lighting effect. PBT Dye-Sub Keycaps The delicate surface provides a better fine and smooth tactility.Wear-resistant, more durable than ABS keycaps. Many things can be personalized. FROST LIMITED / RETRO TRANSLUCENT CASE With MAXFIT81 Software, personalize keys combination, RGB lighting, macro, and OLED settings as you like. FN+ KEYS COMBINATION [A] Windows Mode [S] MAC Mode[L_Ctrl] Cycle OLED [Win] Win-Key Lock [Esc] Hold 3 seconds to reset the keyboard RGB LIGHTING FN+ FUNCTION [ \ ] RGB ON/OFF [Del] RGB Spectrum Mode[PgUp] RGB Color [PgDn] Changing Spectrum Direction[↑/↓] Brightness +/- [←/→] Speed +/- CASE LED FN+ FUNCTIONs [M] Mode [ , ] Color [ . ] Brightness [ / ] Speed For more information, please see the user manual in the box. Suitable for gaming, surfing, typing, and media work. 3 MODES CONNECTIVITY, NO DELAY, NO LOST Say bye to those cables and keep your desktop organized! With BT5.0 & StrikeSpeed 2.4Ghz & Wired Connectivity, up to 5 devices can be connected.Battery Life: Up to 70 hours with RGB on / Up to 15 hours with RGB off. Some Details About This Item HOT SWAP SOCKETS Compatible with most mechanical switches including Gateron, Cherry, and Kailh.South-Facing PCB supports 3 pin / 5 pin switches. FR4 TEXTURE PLATE FR4 plate is solid with a level of flexibility that provides a quieter and more balanced typing experience in-between aluminium plate and PC plate. SOUND PROOFING DESIGN Poron Plate Foam: Absorbs shock from keystrokes.EVA Case Foam: Reduces hollow sounds. MAXFIT81 MECHANICAL KEYBOARD What's in the box? MAXFIT81 Frost Wireless USB Receiver Keycap & Switch Puller USB A-C Cable User Manual USER GUIDE How to connect your devices？ BT5.0 Mode: Hold FN+[1/2/3] for 5 seconds (Up to 3 devices) StrikeSpeed(2.4G) Mode: USB receiver & Press FN+[4] (Hold 5 seconds to pair the receiver.) Wired Mode: USB A-C cable & Press FN+[5] Operating System: Windows 7 or newer/MAC OS Note: Software only works with Windows! Total Keys: 81 + Knob Switch: Gateron G Pro 2.0 Switch Lifetime: 80 Million Keystrokes Keycaps Type: PBT Dye-Sub Illumination: RGB - 18 Modes Battery Capacity: 4000mAh Anti-ghosting: Full keys Polling Rate: 1000Hz