The laser engraving machine is different from the mechanical engraving machine and other traditional hand engraving methods. The mechanical engraving machine uses mechanical means, such as diamond and other extremely hard materials to engrave other things
Hand free fan was designed as a headphone to free your hands anywhere;Fashion style makes you look so cool and you can take it anywhere in hot weather.The lightweight cool necklace fan won't hurt your neck and you can hang it for long time.