| Manufacturer | Plantronics |
| Manufacturer Part # | 76921-01 |
| Cost Central Item # | 10655386 |
| Product Description | Plantronics .Audio DSP-400 - Headset ( semi-open ) |
| Product Type | Headset - wired |
| Recommended Use | PC multimedia |
| Headphones Type | Headphones - binaural |
| Headphones Form Factor | Semi-open |
| Connectivity Technology | Wired |
| Sound Output Mode | Stereo |
| Microphone | Boom |
| Microphone Operation Mode | Mono |
| Product Type | Headset |
| Recommended Use | PC multimedia |
| Additional Features | Noise canceling circuit, foldable |
| Type | Boom |
| Microphone Operation Mode | Mono |
| Connector Type | 1 x headset ( 4 pin USB Type A ) |