The below is some main feature of our handheld nano mist fan: 1. [Portable]-- Small body and light weight , easily carry to anywhere and use it anytime.With a rope design, you can tie your favorite rope to hang it around your neck. Let it free your hands 2. [Air cooling]-- With a 26ml water tank, you can enjoy air cooling and moisturization anywhere anytime. Feel cool and come down yourself in easy way. You deserve it 3.[ Three gears wind]-- you can adjust the 3 different wind speed by quick press the control button. Strong wind and cute in your life. 4. [Long using time]-- 500mah battery can support 4-6 hrs working time. Wind Speed Three Water tank 26ML product name Portable Nano Mist Fan Power supply USB+ Battery Material ABS+Material Working current 0.3A Battery capacity 500mah