Popular Comparisons with Sennheiser HD 1 In-Ear Wireless:
| DESIGN AND DIMENSIONS | Sennheiser HD 1 In-Ear Wireless | - |
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| Product Type | Earphones - Bluetooth - wireless - NFC | - |
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| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | - |
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| Headphones Form Factor | In-ear | - |
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| Headphones Technology | Dynamic | - |
| Connectivity Technology | Wireless | - |
| Wireless Technology | Bluetooth | - |
| Bluetooth Version | Bluetooth 4.1 | - |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - |
| Sound Output Mode | Stereo | - |
| Frequency Response | 15 - 22000 Hz | - |
| Total Harmonic Distortion (THD) | <0.5% | - |
| Max Sound Pressure | 112 dB | - |
| MICROPHONE | Sennheiser HD 1 In-Ear Wireless | - |
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| Type | On-cable | - |
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| Microphone Operation Mode | Omni-directional | - |
| Sensitivity | -44 dBV/Pascal | - |
| CABLE | Sennheiser HD 1 In-Ear Wireless | - |
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| Cable Type | USB charge cable | - |
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| BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | - |
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| Battery Type | Headphone battery rechargeable - lithium polymer | - |
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| Battery Capacity | 170 mAh | - |
| Battery Life | 10 hour(s) | - |
| Charging Time | 1.5 hour(s) | - |
| OTHERS | Sennheiser HD 1 In-Ear Wireless | - |
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| Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | - |
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