1. Interface: USB
2. Number of keys: 104
3. Support system: Win XP/7/8/10
4. Multi-function scroll wheel, easy to control the volume
5. Free switching between dual modes
6. One-piece metal panel, not easy to rust, wear-resistant and durable
7. Mechanical shaft switch design, 60 million keystrokes life
8. Size: about 445x135x35mm
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