| Recommended usage | Office |
| Device interface | USB |
| Keyboard layout | QWERTZ |
| Pointing device | Touchpad |
| Keyboard form factor | Mini |
| Keyboard number of keys | 89 |
| Connectivity technology | Wired |
| Product colour | Black |
| Keyboard style | Straight |
| Ergonomic design | Yes |
| LED indicators | Status |
| Cable length | 1.9 m |
| Plug and Play | Yes |
| Power source type | USB |
| Mouse included | No |
| Windows operating systems supported | Windows 2000, Windows 98, Windows ME, Windows Vista Home Premium, Windows XP Home |
| USB required | Yes |
| Operating temperature (T-T) | 0 - 50 °C |
| Storage temperature (T-T) | -20 - 65 °C |
| Operating relative humidity (H-H) | 10 - 85% |
| Keyboard dimensions (WxDxH) | 291 x 197 x 29 mm |
| Keyboard weight | 665 g |
| Package dimensions (WxDxH) | 312 x 245 x 31 mm |
| Package weight | 860 g |
| Internal | No |
| Description |
| KeySonic ACK-540U+ (DE). Keyboard form factor: Mini. Keyboard style: Straight. Connectivity technology: Wired, Device interface: USB, Keyboard layout: QWERTZ, Keyboard number of keys: 89. Cable length: 1.9 m. Recommended usage: Office. Product colour: Black |