| DESIGN AND DIMENSIONS | Poly Blackwire C720 | - |
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| Product Type | Headset - Bluetooth - wireless | - |
|---|---|---|
| Series | 700 Series | - |
| Recommended Use | Portable electronics, computer - communication | - |
| SOUND QUALITY | Poly Blackwire C720 | - |
|---|
| Headphones Form Factor | On-ear | - |
|---|---|---|
| Connectivity Technology | Wireless | - |
| Wireless Technology | Bluetooth | - |
| Bluetooth Version | Bluetooth 2.1 EDR | - |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP) | - |
| Sound Output Mode | Stereo | - |
| Frequency Response | 20 - 20000 Hz | - |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C720 | - |
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| Type | Boom | - |
|---|---|---|
| Frequency Response | 100 - 8000 Hz | - |
| REMOTE CONTROL | Poly Blackwire C720 | - |
|---|
| Controls | Mute, volume, answer/end | - |
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| CABLE | Poly Blackwire C720 | - |
|---|
| Cable Type | Headset cable | - |
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| BATTERY AND CHARGING | Poly Blackwire C720 | - |
|---|
| Battery Type | Headset battery rechargeable | - |
|---|---|---|
| Battery Life | 10 hour(s) | - |
| Standby Time | 240 hours | - |
| CONNECTIONS | Poly Blackwire C720 | - |
|---|
| Connector Type | USB (4 PIN USB Type A) Bluetooth |
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|---|
| OTHERS | Poly Blackwire C720 | - |
|---|
| Included Accessories | Carrying case | - |
|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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