l Controllable Ink：the ink volume in real time through the window to grasp the remaining ink volume.
l Freehand Tip:adopts a high elastic soft head design, with thick and thin lines that can outline fine contours and cover large areas of colors.
l Intellect Liquid Control Ink: flow-type ink outlet bin, without fear of layered precipitation, uniform ink and water prevent color breakage, dense upper and lower pressure control
l Large Capacity Cartridge：One straight liquid cartridge is equal to three cotton cartridges.
l All-material adaptation:Multiple materials are suitable for: paper, wood, plastic, canvas, metal, mugs and other materials.
