 
  1. Waterightness: It can be used for a damp environment. It can be nornally used when beverage or ohter Liquids spilLED. 
2. Acid and Alkaline-proof: The Keyboard can be used safely in acid or alkaline environment. 
High dustproof: The keyboard can be used safely in dust or fog. 
3. Carriying convenience: Because the keyboard can be rolled up, it can save lots of spaces when carrying. 
Silent: The keyboard is soft without any sound while tying. 
4. Compatibility IBM AT, Windows98/2000/XP/ Vista 
Communication USB, PS/2 COMBO(USB+PS/2) port 
Size (mm)375(L)x125(W)x10(H) 
Layout109 keys 
Keys High 5.5mm 
Keyboard N. W. 320g 
Keys Life: 5, 000, 000 times 
Operating temperature -30 to 80C 
Keyboard Color Random color or assigns PANTONE number 
Approvals CE & RoHS 
Cylinder shape Packing info 
QTY30PCS/CTN G. W. /N. W.: 8.5/6.8KGS Size: 56*34*36cm