Connection Type: USB Wired
Number of Buttons: 104 Keys
Button Press Life: Upto 50 Million Clicks
Rated Voltage/Current: DC5V/<200mA Supported OS: Win 2000,XP,Vista,7,8,10/MAC OS Cable Length: 1.6M (PVC Cable) Stylish design with integrated metal panel, rust and scratch resistant. Mechanical switches with 50 million click lifetime, durable with tactile feel. Intelligent sleep mode: Backlight function turns off when PC goes to sleep. Backlit keycaps with rainbow or single color backlighting effects.