12~15inch new top sale laptop fan cooler specification:Unit size: 378x267x45mmunite weight: 0.65kgfan dimension: 140x140x25mmspeed:750-1500rpmair flow:23x44xCFMnoise level: 11DBA(min)rated current: 0.4A(max)voltage: 5v dcpower:2WTruly plug-and-play, hot swappable Perfect for portable user1.Features: (12~15inch new top sale laptop fan cooler )1.fashion and unique design,for comfort at work or on the gohold your notesbook in an easy-touse position 2.12x12 cm silent led cooling fan help maximize notebook performance by keeping your notebook cool during use.3.Built-in speed adjust switch,convenience for you to control 4.Adjustable feet provide multiple-angle height adjustment for a perfect typing and viewing angle5.Compatible with majority of notebooks6.only need a USB interface to supply the power.7.Easy go and no power adapter necessary; conveniently powered through USB port.2.Factory Production Line: (12~15inch new top sale laptop fan cooler ) 3.Product Display: (12~15inch new top sale laptop fan cooler ) New natural slope ergonomic design for easy type