Adjustable Laptop Stand With Fan

Laptop adjustable height cooling pad 638b with fans & blue led lights ( supports upto 17" laptop) features:- 14 cm fan, large air flow, silent. two port usb hub, meet usb devices use requirement. five angle support, ergonomic design, with the use of more comfortable feeling. unique non-slip technology, ensure that the notebook use safety. specifications:- colour: black material: metal mesh,plastic,rubber weight: 786g product dimensions: 392 x 266 x 67mm (w/d/h) fan dimension: 140 x 140 x 15mm fan speed: 1200rpm fan noise: 15~17.5db (a) bearing type: hydro bearing voltage range: 4.5 - 5.5v supports upto 17" laptop