Pad di raffreddamento per laptop 3 ~ 6 ventole silenziose supporto di raffreddamento doppia porta USB per laptop 11-17"
USB interface: USB2.0/1.1X2. Cooling Type: 4 Fans With Blue LED. Radiator size: 36 16 2CM. Fan speed: 1000±10%RPM. Heavy Duty Black Single-X Shape Piano Keyboard Stand Adjustable & Portable Brace.