The appearance of the product is exquisite; the surface adopts the surface pasting method, plexiglass, metal brushed and other panels, which are easy to replace and easy to meet the customer's customized needs; Both button and touch methods can meet different needs of customers. The button adopts a spiral surface to increase the touch. The touch uses stainless steel CD pattern bright surface to improve product quality; provides a USB interface for charging mobile phones, MP3 and other electronic products.