| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | headset | Europe | Commonly used for gaming and professional calls | 1 |
| 2 | headset | Europe | Commonly used for communication in offices and call centers | 1 |
| 3 | headset voice tube | Europe | Commonly used in call centers and customer service environments for hands-free communication. | 1 |