| Brand Name | Plantronics |
| Connectivity Technology | Wireless |
| Earpiece Controls | Answer/End, Volume, Flash |
| Earpiece Design | Over-the-ear, Over-the-head, Behind-the-neck |
| Earpiece Type | Monaural |
| Features | Wideband Audio, Noise Reduction, Digital Signal Processing, Lightweight, SoundGuard Technology, Anti-startle, Unified Communication, Battery Indicator |
| Form Factor | Outer-ear |
| Limited Warranty | 1 Year |
| Manufacturer | Poly |
| Manufacturer Part Number | 203947-01 |
| Manufacturer Website Address | http://www.poly.com |
| Maximum Battery Run Time | 7 Hour |
| Microphone Controls | Mute |
| Microphone Design | Boom |
| Microphone Technology | Noise Cancelling |
| Noise Canceling | Yes |
| Packaged Quantity | 1 |
| Product Line | Savi |
| Product Model | W440-M |
| Product Name | Savi 400 Series USB Wireless Headset System |
| Product Series | 400 |
| Product Type | Earset |
| Sound Mode | Mono |
| Weight (Approximate) | 0.74 oz |
| Wireless Operating Distance | 300 ft |
| Wireless Technology | DECT 6.0 |
