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The Zero ZR-3666 is an ultra-thin wireless keyboard with dual Bluetooth 5.0 and 2.4GHz connectivity and a built-in display for battery and connection status. It has an Arabic/English layout, 78 membrane keys rated for up to 10 million keystrokes and a rechargeable 200mAh battery.
- Dual connectivity: Bluetooth 5.0 and 2.4GHz wireless.
- Built-in display shows battery and connection status.
- Arabic and English key layout.
- 78 membrane keys rated for up to 10 million keystrokes.
- Rechargeable 200mAh battery with USB Type-C charging.
- Ultra-thin design; works with Windows, macOS, Android and iOS.
Technical specifications
| Brand | Zero |
| Model | ZR-3666 |
| Connectivity | Bluetooth 5.0 + 2.4GHz wireless |
| Keys | 78 membrane keys |
| Key lifespan | Up to 10 million keystrokes |
| Battery | 200mAh, rechargeable (3.7V) |
| Charging | USB Type-C (1m cable) |
| Wireless range | Up to 10 m |







