In depth comparison and review of Sennheiser HD 1 In-Ear Wireless and Happy Plugs Air 1. 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 | Happy Plugs Air 1 |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 3.75 g | |
| Dimensions & Weight Details | - | Charging case: 6.3 cm x 5.1 cm x 2 cm / 35 g | |
| Colour | - | Gold | Pink gold | White marble | |
| Protection | - | Sweat-resistant, slash-resistant | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | Happy Plugs Air 1 |
|---|
| Headphones Form Factor | In-ear | Ear-bud | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Happy Plugs Air 1 have a more advanced version of Bluetooth than Sennheiser HD 1 In-Ear Wireless. |
| 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 | 20 - 20000 Hz | Sennheiser HD 1 In-Ear Wireless offer a larger frequency range than Happy Plugs Air 1. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | - | 95 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | 12 mm |
| MICROPHONE | Sennheiser HD 1 In-Ear Wireless | Happy Plugs Air 1 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 1 In-Ear Wireless | Happy Plugs Air 1 |
|---|
| Controls | - | Answer/end, play/pause |
|---|
| CABLE | Sennheiser HD 1 In-Ear Wireless | Happy Plugs Air 1 |
|---|
| Cable Type | USB charge cable | Micro-USB cable |
|---|
| FEATURES | Sennheiser HD 1 In-Ear Wireless | Happy Plugs Air 1 |
|---|
| Intelligent Assistant | - | Siri, Google Assistant | |
|---|---|---|---|
| Sensors | - | Touch sensor |
| BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | Happy Plugs Air 1 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 170 mAh | 30 mAh | Sennheiser HD 1 In-Ear Wireless have a higher battery capacity than Happy Plugs Air 1. |
| Battery Life | 10 hour(s) | 14 hour(s) | Happy Plugs Air 1 lasts longer on a single charge than the Sennheiser HD 1 In-Ear Wireless. |
| Standby Time | - | 90 hours | |
| Charging Time | 1.5 hour(s) | - | |
| Auto On/Off | - | Yes |
| OTHERS | Sennheiser HD 1 In-Ear Wireless | Happy Plugs Air 1 |
|---|
| Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | 2 silicon sleeves, charging case (400 mAh) | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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