Features: The noise is low and the wind is strong. Portable fan, Light product,always cool anywhere. Double head adjustable fan. Wearable Desige of hanging neck.Comfortable wearing. It can be placed on the table and turned into a small table fan. Three block wind speed, one key conversion. Specifications: Shell material: ABS Gear position: 3 speed adjustable, button switch Power supply: USB charging Power: DC5V 1A Using time: 3-7 hours Note: Actual color may be slightly different from the image due to different monitor and light effect.