Here is a foldable laser engraver with app control that lets you engrave wood, bamboo, cloth, acrylic, plastic, glass, and a whole lot more. The Jinsoku Z4 Galvo Laser Machine is compatible with iOS and Android devices. It has an engraving area of 5 x 5cm with 5W laser power.
This laser engraver has a compact design, weighing only 0.68kg. The Z4 supports JPEG, BMP, GIF, and other formats. It has 600mm/s engraving speed. The unit measures 11.4×7.6×15.3cm.