| DESIGN AND DIMENSIONS | Poly - Plantronics M 40 | - |
|---|
| Product Type | Headset - wired | - |
|---|---|---|
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Poly - Plantronics M 40 | - |
|---|
| Headphones Form Factor | Ear-bud | - |
|---|---|---|
| Headphones Technology | Dynamic | - |
| Connectivity Technology | Wired | - |
| Sound Output Mode | Mono | - |
| MICROPHONE | Poly - Plantronics M 40 | - |
|---|
| Type | On-cable | - |
|---|---|---|
| Microphone Operation Mode | Mono | - |
| CONNECTIONS | Poly - Plantronics M 40 | - |
|---|
| Connector Type | Headset (sub-mini phone 2.5 mm) | - |
|---|
| OTHERS | Poly - Plantronics M 40 | - |
|---|
| Service & Support | Limited warranty - 1 year | - |
|---|
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