| DESIGN AND DIMENSIONS | Poly TriStar H81 with Vista M12 Amplifier | - |
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| Product Type | Headset - wired | - |
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| Colour | Black | - |
| Recommended Use | Phone | - |
| SOUND QUALITY | Poly TriStar H81 with Vista M12 Amplifier | - |
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| Headphones Form Factor | In-ear - over-the-ear mount | - |
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| Headphones Technology | Dynamic | - |
| Connectivity Technology | Wired | - |
| Sound Output Mode | Mono | - |
| MICROPHONE | Poly TriStar H81 with Vista M12 Amplifier | - |
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| Type | Boom | - |
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| Microphone Operation Mode | Mono | - |
| CABLE | Poly TriStar H81 with Vista M12 Amplifier | - |
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| Cable Type | Headset cable - 3 m | - |
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| CONNECTIONS | Poly TriStar H81 with Vista M12 Amplifier | - |
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| Connector Type | Headset (Quick Disconnect) | - |
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| OTHERS | Poly TriStar H81 with Vista M12 Amplifier | - |
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| Included Accessories | Cord clip, 4 earbuds | - |
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