Info： 1. Unique physical design, comfortable feeling 2. Silver upper cover with black keycaps, elegant appearance 3. Unique waterproof and dustproof design, safety and durable 4. High quality, key switch life ≥20, 000,000times. 5. Unique mute design, stylish figuration 6. Membrane key switch with tactile feedback 7. Compatibility: fully comply with Microsoft Windows95/98/Me/XP 8. All of the languages are available