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- boAt Airdopes 621 True Wireless Stereo (TWS) Earphones vs Sennheiser HD215 II Wired Headphones
boAt Airdopes 621 True Wireless Stereo (TWS) Earphones vs Sennheiser HD215 II Wired Headphone comparison
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| key specs | ||||
| Colour | Black | Black | ||
| Headphone Type | In-Ear | Over-Ear | ||
| Microphone | Yes | No | ||
| Connectivity | True Wireless Stereo (TWS) | Wired | ||
| Type | Earphones | Headphones | ||
| general | ||||
| Brand | boAt | Sennheiser | ||
| Model | Airdopes 621 True Wireless Stereo (TWS) Earphones | HD215 II Wired Headphones | ||
| Release date | March 26, 2021 | January 1, 2017 | ||
| Color | Black | - | ||
| Type | Earphones | Headphones | ||
| Headphone Type | In-Ear | Over-Ear | ||
| Connectivity | True Wireless Stereo (TWS) | Wired | ||
| Colour | - | Black | ||
| Inline Remote | - | No | ||
| Model Number | - | HD215 II | ||
| product details | ||||
| Microphone | Yes | No | ||
| Driver Type | Dynamic | - | ||
| Driver Size (mm) | 6 | - | ||
| Number of Drivers | 1 | - | ||
| Water Resistant | IPX7 | - | ||
| Cord Length (Metres) | - | 3 | ||
| Connector Size | - | 3.5mm | ||
| Gold Connector Plating | - | Yes | ||
| Weight (g) | - | 280.00 | ||
| sound features | ||||
| Impedance (Ohms) | 16 | 32 | ||
| Frequency Response Range | 20Hz-20,000Hz | 12Hz-22,000Hz | ||
| Sensitivity (dB) | - | 112 | ||
| connectivity features | ||||
| Bluetooth | Yes | No | ||
| Bluetooth Version | 5 | - | ||
| Bluetooth range (Metres) | 10 | - | ||
| battery features | ||||
| Charging Port | USB Type-C | - | ||
| Charging Time (Hrs) | 5 | - | ||
| Battery Life (Hrs) Earpieces Only | 5.5 | - | ||
| Battery Life (Hrs) With Case Total | 150 | - | ||
| Battery Capacity (mAh) Earpieces | 35 | - | ||
| Battery Capacity (mAh) Case | 2600 | - | ||
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