Features: Hanging neck design: hands-free, in line with the neck arc, comfortable to wear. Two small fans can be adjusted 360 degrees to freely control the wind direction. OOTDTY Four-speed wind speed: Two small fan designs, each with 7 blades, choose the wind speed you want according to the environment and your own needs. Low noise: The noise generated when working is as low as 20dB, and the maximum noise is only 60dB, which hardly affects your study or work when using the fan. Rechargeable: Built-in 2x 5200mah capacity batteries, support up to 10 hours of use, avoid frequent battery replacement, with type-c charging interface, can be charged by desktop, laptop, cell phone charger plug, USB socket and mobile power Charge. Wide range of applications: Portable neck fans are ideal for personal cooling, such as traveling, outdoor camping, hiking, beaches, etc., and also for use while studying, working, cooking, waiting for a train or bus, etc. Specification: Material: ABSColor: Grey/Orange/PinkSize: Approx. 183x310mm/7.2x12.2inchInput: 5V/2ABattery capacity: 5200mahPackage Includes: 1x Fannote: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.