Blue Switch
Number of buttons: 108 keys.
Transmission method: wired USB.
Button stroke: 4.0mm.
Button strength: 50-70g.
Number of button life: about 50 million times.
Rated voltage / current: DC 5V / 250mA.
Keyboard size: approx. 435x125x39mm.
Hand rest size: approx. 435x68x15mm.
System req..