Specification:
* Battery-operated spray paint pen;
* 3.7V 500mAh built-in battery,charging via USB cable
* Charging time: 90 mins
* Working time : 40 mins
* Washable ink
* 12pcs watercolor pens available
* Accessories: pc* art spray pen, 1pc*USB charging cable, 12 pcs*watercolor pens, 6* stencils, 1pc*cloth