USA 
S11 Replacement Headset
Product Description
The S11 Replacement Headset from Plantronics is a replacement headset for use with the Plantronics S11 Telephone Headset System.
| Microphone | |
| Boom Rotation | |
| Microphone Distortion | |
| Impedance | |
| Speaker | |
| Driver Size | |
| Cushion | |
| Earpiece Design | On-Ear |
| Listening Mode | Monaural |
| Impedance | |
| Speaker Distortion | |
| Maximum Sound Pressure Level (SPL) | |
| Connectivity | |
| Hands Free Profile Version | |
| A2DP Profile Version | |
| Host Connection | 1 x RJ11 |
| Rated Power | |
| Capacity (mAh) | |
| Battery Chemistry | |
| Standby Time | |
| Talk Time | |
| Operating Temperature | |
| Storage Temperature | |
| Operating Humidity | |
| General | |
| NFC | |
| Frequency Mode | |
| Encryption Bit Depth | |
| Certifications | |
| Physical | |
| Ear Pad Size | |
| Warranty Length |