| DESIGN AND DIMENSIONS | Poly - Plantronics Discovery 640E | - |
|---|
| Product Type | Headset - Bluetooth - wireless | - |
|---|---|---|
| Weight | 9 g | - |
| Recommended Use | Portable electronics | - |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Poly - Plantronics Discovery 640E | - |
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| Headphones Form Factor | Ear-bud | - |
|---|---|---|
| Connectivity Technology | Wireless | - |
| Wireless Technology | Bluetooth | - |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP) | - |
| MICROPHONE | Poly - Plantronics Discovery 640E | - |
|---|
| Microphone Operation Mode | Mono | - |
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| REMOTE CONTROL | Poly - Plantronics Discovery 640E | - |
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| Controls | Mute, volume, answer/end | - |
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| BATTERY AND CHARGING | Poly - Plantronics Discovery 640E | - |
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| Battery Type | Headset battery rechargeable - Lithium Ion | - |
|---|---|---|
| Battery Life | 5 hour(s) | - |
| Power Device | Power adapter - external | - |
| WIRELESS LINK | Poly - Plantronics Discovery 640E | - |
|---|
| Transmission Range | 10 m | - |
|---|
| OTHERS | Poly - Plantronics Discovery 640E | - |
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| Included Accessories | Carrying pouch | - |
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