【Optimized 75% Compact Layout&Innovative Gasket Structure】The F75 redefines space efficiency with its 75% compact layout. This design integrates all the essential keys in a smaller footprint, making it perfect for streamlined desks and mobile setups without sacrificing functionality. Experience the pinnacle of comfort with the gasket structure. This advanced design ensures a flexible yet firm typing experience, reducing fatigue during prolonged use while maintaining a consistent and responsive key feel. 【Acoustic Mastery with Five-Layer Padding】The F75 boasts a five-layer sound and shock-absorbing internal design, including two layers of Poron foam, IXPE switch pad, PET sound enhancement pad and a bottom silicone pad. This sophisticated construction significantly reduces typing noise and resonance, delivering a tranquil and focused typing environment. 【Precision-Engineered 1.2mm PCB&Pre-Lubricated Mechanical Switches】At the heart of the F75 is a meticulously crafted 1.2mm single-key slotted PCB. This precision engineering ensures that each keystroke is registered with accuracy and stability, providing a satisfying and reliable typing experience. The FF75 also features factory-lubricated mechanical switches that offer a seamless and smooth actuation. This pre-lubrication process ensures a fluid, consistent keystroke right from the start. 【Three-Way Connectivity for Every Scenario&4000mAh Battery】Offering Bluetooth, 2.4GHz wireless, and wired USB connectivity, the F75 adapts to your specific needs. Whether it's for a clutter-free wireless setup or a stable wired connection, this keyboard is ready for any situation. Equipped with a large 4000mAh battery, the F75 delivers extended usage times. This generous battery capacity ensures that your keyboard is always ready for long work sessions or intense gaming marathons.