Battery capacity 1800mAh, a durable battery,60 twin turbo blades,for cooler wind.Free angle adjustment. Adjustable three wind speed, Free your hands and cool down in 3 seconds. Aviation memory metal bending resistant , and comfortable to wear . 360 degree rotation fan: It is adopted with double head design, flexible arm design, and two fans can 360 degree flexible rotation, which allows you to adjust the best wind direction, simple and easy to create a wind powerful for yourself. Widely application: Two-button control, easy to operate. For personal cooling, camping, outdoor events, such as football and baseball, rock climbing, fishing, festival, makeup, etc. Name: Leafless fan Process: material fine frosted grain; Voltage: 3.7V, rated power: 5W, Usage: hanging neck, Charging time: 2-3 hours, Full of change: blue light; Service life: 200 cycles of batteries, size:182x257x66mm Material:ABS+PC colour:White Package Contents: 1 x fan 1 x Data cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.