2
Cylinder combine with wooden and cloth shell bring you visual enjoyment, it is good-looking of the button with green light shows the the device is power on. Oak belongs to quercus acutissima, belongs to trichaceae, the heart of the tree is yellow-brown to reddish-brown, the growth wheel is obvious, slightly wavy, dry slowly;Has the quite bright mountain shape wood grain; Toughness, according to the need to be processed into a variety of bending shape; High density, hard texture, water is not easy to drain.