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| Item number: CIEN4-46151312 Manufacturer no.: ROC-12-300-BK EAN/GTIN: 4250288143364 |
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 | More information: Weight & dimensions | Keyboard weight | 910 g | Power | Power source type | USB | System requirements | Windows operating systems supported | Windows 10, Windows 7, Windows 8 | Design | Backlight | Yes |  | Product colour | Black |  | Backlight colour | Blue |  | Keyboard style | Straight |  | Full-size keyboard | Yes |  | Surface coloration | Monochromatic | Keyboard | Recommended usage | Gaming |  | Device interface | USB |  | Keyboard key switch | Membrane |  | Keyboard layout | QWERTZ |  | Keyboard language | German |  | Keyboard form factor | Full-size (100%) |  | Numeric keypad | Yes |  | Windows keys | Yes |  | Hot keys | Yes |  | Multimedia keys | Yes |  | Connectivity technology | Wired |  | Purpose | PC/Server |  | Polling rate | 1000 Hz |  | Number of programmable (macro) keys | 5 |  | Built-in memory | Yes |  | Built-in memory capacity | 512 KB |  | Key response time (min) | 5 ms |  | Key response time (max) | 7.8 ms |  | Microcontroller unit | ARM Cortex M0+ | Features | Cable length | 1.8 m |  | Anti-ghosting | Yes |  | USB 2.0 ports quantity | 1 |
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