Headset Defender FreeMotion B570 red gray, Bluetooth
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| Design: | Full size |
| Product color: | Red |
| Description: | Design: full-size, device type: wireless headphones, design features: microphone, foldable design, acoustic design type: closed, operating time: 10 h |
| Working hours: | 10 h |
| Sensitivity: | 115 dB |
| Design features: | Microphone, foldable |
| Device type: | Wireless headphones |
| Mount type: | Headband |
| Maximum playback frequency: | 20000 Hz |
| Minimum repeatable frequency: | 20 Hz |
| Bluetooth version: | 4.0 |
| Membrane diameter: | 40 mm |
| Type of acoustic design: | Closed |
| Wireless connection type: | Bluetooth |