Outemu Switches are designed for allowing you to change your key switches without the hassle of soldering. This caters to anyone who uses their keyboard for multiple purposes. Works with Granvela, MechanicalEagle, Eagletec, redragon, E Element and all other standard mechanical keyboards. Equivalent with Cherry MX Switches. Black Switch Suitable groups: pure professional gamers Mechanical touch: linear, soft tactile, click tactile Key sound: no sense of the paragraph, the sound slightly Pressure grams: 80 Click life 50 million operations Trigger travel: 1.5mm. Red Switch Suitable groups: Game players Mechanical touch: linear, soft tactile, click tactile Key sound: the sound slightly Pressure grams: 60 Click life 50 million operations Trigger travel: 2 mm. Brown Switch Suitable groups: Compatible games and Office Mechanical touch: two-stage, sense of the paragraph Key sound: the sound slightly Pressure grams: 40 Click life:50 million operations Trigger travel: 2.0mm. Blue Switch Sui