1. The ergonomic key layout effectively improves the frequency of finger manipulation. 2. After the keyboard feet are raised, an included angle of 6 degrees is formed, which conforms to the ergonomic height. 3. Adopt 26-key no-stroke design, quickly trigger continuous skills. 4. Number of keyboards: 104 keys 5. Lifespan: about 60 million times 6. Cable length: about 1.6 meters 7. Interface: USB 8. System requirements: win XP/win7/8/10 9. Size: 435x135x38mm