Gaming Keyboard Havit KB874L, Mechanical, Blue SW, All keys roll-over, 67 Keys, 50M, RGB, 1.8m, USB, EN, Black. Light Type: Blended light Interface Type: USB Size: 321*113*40mm Key Number: 67Operating Voltage: 5V±0.5V Operating Current: 350mA Key Life: 50,000,000 times Cable Length: 1.8m Product Weight: 540g