SPECIFICATIONSAccessories Type: Mobile ClipBluetooth range: noneBrand Name: VORTNGLECable features: Without cableChoice: yesCompatible Brand/Model: NoneControl Method: Push buttonControls Type: Push buttonElectric: YesEnclosure material: PlasticFastening type: BracketHarness Feature: OthersHigh-concerned chemical: noneOccasion: OthersOrigin: Mainland ChinaPlatform: OtherPortable: YesReusability: ReusableSensor Technology: OthersWith USB: none Feature 1, LED display, hanging neck/handheld/desktop,2, 5 speed wind adjustment, 90° adjustable,3, Dual batteries for long battery life, can support mobile phones.SpecificationMaterial: ABS+PP+electronic componentsSingle net weight: 175gProduct size: 18.8*9*4.65cm/7.4*3.54*1.83inInput voltage: DC5VBattery capacity: 1800mABattery voltage: 3.7VUse time: about 3.5-7 hours