1, SMT automatic mounted components;
2, imported ABS plastic, import PC material, unique fell uv resistance function;
3, use double color injection molding and the more advanced laser engraving, printed penetration techniques, so that the keys will never wear;
4, professional design panel, it to print the tiny number, the phone hotel use guide, hotel service facilities such as material, greatly increase the image;
5, and at most 16 "a key tong" button, storage power lost never lost content；
