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- Sennheiser HD221 Wired Headphones vs Zebronics Air Duo True Wireless Stereo (TWS) Earphones
Sennheiser HD221 Wired Headphones vs Zebronics Air Duo True Wireless Stereo (TWS) Earphones comparison
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| key specs | ||||
| Colour | Black | Black | ||
| Headphone Type | Over-Ear | In-Ear | ||
| Connectivity | Wired | True Wireless Stereo (TWS) | ||
| Type | Headphones | Earphones | ||
| Microphone | - | Yes | ||
| general | ||||
| Brand | Sennheiser | Zebronics | ||
| Model | HD221 Wired Headphones | Air Duo True Wireless Stereo (TWS) Earphones | ||
| Release date | April 11, 2016 | December 13, 2017 | ||
| Colour | Black | Black | ||
| Type | Headphones | Earphones | ||
| Headphone Type | Over-Ear | In-Ear | ||
| Connectivity | Wired | True Wireless Stereo (TWS) | ||
| Model Number | HD221 | Air Duo | ||
| Inline Remote | - | No | ||
| product details | ||||
| Cord Length (Metres) | 1.2 | - | ||
| Connector Size | 3.5mm | - | ||
| Microphone | - | Yes | ||
| sound features | ||||
| Impedance (Ohms) | 16 | - | ||
| Sensitivity (dB) | 108 | - | ||
| Frequency Response Range | 19Hz-21,000Hz | - | ||
| connectivity features | ||||
| Bluetooth | No | Yes | ||
| Bluetooth Version | - | 4.1 | ||
| Bluetooth range (Metres) | - | 10 | ||
| battery features | ||||
| Charging Time (Hrs) | - | 2 | ||
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