In depth comparison and review of Sennheiser HD 1 In-Ear Wireless and Beats Flex All-Day. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser HD 1 In-Ear Wireless | Beats Flex All-Day |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 1.6 cm | |
| Width | - | 10.6 cm | |
| Depth | - | 86.4 cm | |
| Weight | - | 18.6 g | |
| Colour | - | Black beats | Yuzu yellow | Smoke grey | Flame blue | |
| Protection | - | Wind protection | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | Beats Flex All-Day |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 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 | Stereo | |
| Frequency Response | 15 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Max Sound Pressure | 112 dB | - | |
| Features | - | Magnetic ear buds, Apple W1 chip | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 1 In-Ear Wireless | Beats Flex All-Day |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 1 In-Ear Wireless | Beats Flex All-Day |
|---|
| Controls | - | Volume, answer/end, voice assistant |
|---|
| CABLE | Sennheiser HD 1 In-Ear Wireless | Beats Flex All-Day |
|---|
| Cable Type | USB charge cable | USB-C charge cable |
|---|
| FEATURES | Sennheiser HD 1 In-Ear Wireless | Beats Flex All-Day |
|---|
| Additional Functions | - | Wireless audio sharing |
|---|
| BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | Beats Flex All-Day |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 170 mAh | - | |
| Battery Life | 10 hour(s) | 12 hour(s) | Beats Flex All-Day lasts longer on a single charge than the Sennheiser HD 1 In-Ear Wireless. |
| Charging Time | 1.5 hour(s) | - | |
| Auto On/Off | - | Yes |
| OTHERS | Sennheiser HD 1 In-Ear Wireless | Beats Flex All-Day |
|---|
| Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | 4 pairs of ear tips, USB-C charging cable | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1 | |
| Service & Support | - | Limited warranty - 1 year |
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