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- boAt Rockerz 390 Headphones vs iBall Strings 20 Wired Headphones
boAt Rockerz 390 Headphones vs iBall Strings 20 Wired Headphones comparison
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| key specs | ||||
| Colour | Black | Black | ||
| Microphone | No | Yes | ||
| Type | Headphones | Headphones | ||
| Headphone Type | - | Over-Ear | ||
| Connectivity | - | Wired | ||
| general | ||||
| Brand | boAt | iBall | ||
| Model | Rockerz 390 Headphones | Strings 20 Wired Headphones | ||
| Release date | April 9, 2017 | April 23, 2014 | ||
| Colour | Black | Black | ||
| Type | Headphones | Headphones | ||
| Model Number | Rockerz 390 | - | ||
| Headphone Type | - | Over-Ear | ||
| Connectivity | - | Wired | ||
| product details | ||||
| Microphone | No | Yes | ||
| Driver Size (mm) | 40 | 40 | ||
| Connector Size | 3.5mm | 3.5mm | ||
| Weight (g) | 154.00 | 300.00 | ||
| sound features | ||||
| Impedance (Ohms) | 32 | 32 | ||
| Frequency Response Range | 20Hz-20,000Hz | 20Hz-20,000Hz | ||
| Sensitivity (dB) | - | 110 | ||
| connectivity features | ||||
| Bluetooth | Yes | - | ||
| Bluetooth Version | 4.2 | - | ||
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