• The watch shaker uses high-quality frequency conversion movement, accurate output, stable opion, long service life, and durable.Two power supply modes: power supply line battery power supply, more convenient to use.The maroon walnut watch winding box, the exterior is made of high-gloss piano paint, the interior is brown fine-grained PU leather, which is durable and high-end color.There are two specifications available, the sizes are: 2 0 size 18.5 × 18.5 × 20 cm