KBREE Portable Neck Fan - Hands-Free Bladeless Mini Fan with USB Charging, Rechargeable Battery for Sports, Outdoor, Travel & Office Use

Power type: USBSpecification: 180*275 * 40mmProduct features: muteNoise: below 36dBRated Voltage: 3.7VRated Power: 4WRated frequency: 2000 = HZAir supply method: page transferFan Speed Mode: 3 gearOperation mode: MechanicalWhether charging is supported: SupportedFall and stop: not supportedRotary fan or not: YesGross weight: 270gWith a built-in battery or not: removable batteryBuilt-in battery capacity: 1000 mA-1200 mAFunction: comfortable muteMotor type: brushless motorNumber of blades: 7Size: 180*275 * 40mmBattery life: 1-3 hoursFan Category: halter fan

Type: halter little fan.

Noise: below 36dB, rated voltage: 3.7V, rated power: 4W.

Built-in battery capacity: 1000 mA-1200 mA, battery life: 1-3 hours.

Color: This halter fan has four colors: green, white, black and pink.

Applicable people: Male Female, student, home, office, school and other places with high temperature.