... : USB, PS/2 -language: english,arabic, french -standard keyboard Computer Wired Keyboards standard USB/PS2 Specifications:1, PS/2 or USB ... 4, Stroke life: over 10,000,000 times5, Stanard size keyboard, multimedia keyboardm, ergonomics keyboard6, multi-functional keys 7, LEDs: Num ... temperature and humidity: 5º~50º 10%~85%(RH 25º) Computer Wired Keyboards standard USB / PS2