1. Support LED display, mute design
2. One-key free switching keyboard/computer
3. Stable connection to various devices
4. Anti-slip foot pad design, stable operation, not easy to slide
5. High-definition 12-digit digital display, which can display operation symbols
6. Long press to output numbers discontinuously
7. Arc corner design, feel comfortable
8. Number of keys: 19 keys
9. Button life: 12 million times
10. Interface: USB
11. Size: about 147 x 86 x 25mm