As gasket keyboard, X75 has silicone gaskets, sandwich silicone sound dampeners and fully-fitted large bottom silicone pad between the top and bottom cases. This design significantly avoids the typing noise, maintains the flexibility of the gasket, and improves the overall typing sound. Previous page Next page 1 GASKET STRUCTURE 2 WIN/MAC 3 MULTIPLE RGB 4 CUSTOM SOFTWARE Previous page LIGHT UP YOUR SETUP GET PLAYFUL WITH MORE RGB FN+|\ : change RGB modeFN+END: change RGB colorFN+Backspace: Turn on/off RGB Next page 1 HOT SWAP 2 TRANSPARENT KEYCAPS 3 COMPACT LAYOUT 4 LIGHT UP YOUR SETUP SWITCH INFORMATION Crystal Ice Switch See Details Crystal White Switch See Details Kailh Jellyfish Switch See Details Kailh Jellyfish Switch See Details Customer Reviews 4.6 out of 5 stars 48 4.4 out of 5 stars 53 4.6 out of 5 stars 199 4.6 out of 5 stars 199 Type Linear Tactile Linear Linear Operating Force 45±10 gf 50±10 gf 38±10 gf 38±10 gf Total Travel 4.0 mm Max. 4.0 mm Max. 4.0±0.4 mm 4.0±0.4 mm Pre-Travel 2.0±0.6 mm 1.8 mm 1.9±0.5 mm 1.9±0.5 mm Sound Level Low Medium Low Low Pins 5-Pin switch 3-Pin switch 5-Pin switch 5-Pin switch Durability 50 Million Cycles 50 Million Cycles 50 Million Cycles 50 Million Cycles Lubrication Extra Moisturizing Lubed Slightly Lubed Factory Standard Lubed Factory Standard Lubed KEYBOARD INFORMATION Keyboard YUNZII X75 Hot-swappable support Yes, 3 pin or 5 pin hot swap switches Keys Layout 75%, 82 keys Switch type Crystal Ice Switch, Crystal White Switch, Kailh Jellyfish Switch Backlight & Sidelight RGB on front and side, North facing LED Backlight modes 15 Sidelight modes 4 Connection Wired Battery capacity 4000 mAh Compatible System macOS/Windows/Android/iOS Frame Materials PC transparent Keycap Materials PC transparent Keycap Profile Cherry profile / KSA profile Size 325*135*40mm / 12.7*5.3*1.5 inch Weight 1.02 kg /2.2 lb DIY Software Yes Is this keyboard compatible with mac? Yes， the keyboard has a Win/Mac switch button, you can easily switch the layout by press the button. Is the brightness level adjustable? Yes, the RGB can be adjustable by key combinations. FN+ ↓ / ↑ to adjust the RGB brightness. FN+←/→to change the RGB speed. FN+Backspace to turn on/off the RGB. What's difference between X75 and X75 PRO? The only difference is that the X75 only has wired connection. The X75 PRO has tri-mode wireless connection, including 2.4gHz wireless, Bluetooth and wired coonection.