1. Number of keys: 104 2. Cable length: 1.7 meters 3. Button life: about 5 million times 4. Interface: USB 5. Compatible system: Win 7/8/10/2000/XP/Vista/Linux/Android, etc. 6. LED color backlight design, stylish and beautiful 7. Ergonomic design, comfortable to use 8. Simple design, does not take up space 9. Metal panel, wear-resistant and corrosion-resistant, long service life 10. Size: 450x140x36mm 11. Weight: about 750g