Popular Comparisons with EPOS I SENNHEISER IMPACT MB 660 UC:
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER IMPACT MB 660 UC | - |
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| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | - |
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| Weight | 227 g | - |
| Recommended Use | Portable electronics, computer | - |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | - |
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| Headphones Form Factor | Full size | - |
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| Headphones Technology | Dynamic | - |
| Ear Cups Type | Closed | - |
| Foldable | Yes | - |
| Connectivity Technology | Wireless | - |
| Wireless Technology | Bluetooth | - |
| Bluetooth Version | Bluetooth 4.2 | - |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | - |
| Bluetooth Audio Codec | SBC, aptX | - |
| Active Noise Cancelling | Yes | - |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - |
| Sound Output Mode | Stereo | - |
| Frequency Response | 17 - 23000 Hz | - |
| Total Harmonic Distortion (THD) | <0.5% | - |
| Sensitivity | 118 dB | - |
| Impedance | 46 Ohm | - |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | - |
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| Form Factor | Built-in | - |
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| Frequency Response | 150 - 6800 Hz | - |
| Microphones Included | 3 | - |
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | - |
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| Cable Type | Audio cable Micro-USB cable |
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| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | - |
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| Battery Type | Headset battery rechargeable - lithium polymer | - |
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| Battery Capacity | 700 mAh | - |
| Battery Life | 30 hours | - |
| Standby Time | 360 hours | - |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | - |
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| Transmission Range | 25 m | - |
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| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | - |
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| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - |
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| Service & Support | Limited warranty - 2 years | - |
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