Power mode: USBSpecification: See detailsnoise: 36dB(Contains)belowbrand: otherWind speed gear: 1filesOperation mode: Normal buttonWhether to support charging: supportShake your head: Shaking head left and right,otherBuilt-in battery capacity: 100mAh-300mAh(inclusive)Is it a patent source?: noMotor type: brushed motorNumber of fan blades: 5pieceShell technology: otherFan classification: USBfanProduct net weight: 0.15