1. Material: plastic 2. Built-in mechanical keyboard, good texture, comfortable hand feeling 3. Anti-slip rubber design at the bottom, can be reused 4. The number can be hidden to protect privacy 5. 3-segment number separation, easy to recognize and remember 6. 4 sets of digital beans, can be replaced by yourself 7. Size: 108 x 68 x 36mm 8. Weight: 100g
