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- boAt Airdopes 621 True Wireless Stereo (TWS) Earphones vs iBall Collar B9 Wireless Earphones
boAt Airdopes 621 True Wireless Stereo (TWS) Earphones vs iBall Collar B9 Wireless Earphones comparison
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| key specs | ||||
| Colour | Black | Black | ||
| Headphone Type | In-Ear | In-Ear | ||
| Microphone | Yes | Yes | ||
| Connectivity | True Wireless Stereo (TWS) | Wireless | ||
| Type | Earphones | Earphones | ||
| general | ||||
| Brand | boAt | iBall | ||
| Model | Airdopes 621 True Wireless Stereo (TWS) Earphones | Collar B9 Wireless Earphones | ||
| Release date | March 26, 2021 | July 29, 2015 | ||
| Color | Black | - | ||
| Type | Earphones | Earphones | ||
| Headphone Type | In-Ear | In-Ear | ||
| Connectivity | True Wireless Stereo (TWS) | Wireless | ||
| Inline Remote | - | No | ||
| Colour | - | Black | ||
| Model Number | - | Collar B9 | ||
| product details | ||||
| Microphone | Yes | Yes | ||
| Driver Type | Dynamic | - | ||
| Driver Size (mm) | 6 | - | ||
| Number of Drivers | 1 | - | ||
| Water Resistant | IPX7 | - | ||
| Connector Size | - | 3.5mm | ||
| Weight (g) | - | 70.00 | ||
| sound features | ||||
| Impedance (Ohms) | 16 | - | ||
| Frequency Response Range | 20Hz-20,000Hz | - | ||
| connectivity features | ||||
| Bluetooth | Yes | Yes | ||
| Bluetooth Version | 5 | 4.1 | ||
| 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 | - | ||
| Charging Time (Hrs) Earpieces Only | - | 2 | ||
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