Bluetooth Headset Defender FreeMotion B640 plug-in, Bt5.0, 16 ohm, 92dB, run time up to 5h, Black
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| Design: | Intracanal |
| Product color: | Black |
| Description: | Design: in-ear, device type: wireless headphones, design features: microphone, type of acoustic design: closed, operating time: 5 h |
| Working hours: | 5 h |
| Sensitivity: | 92 dB |
| Design features: | Microphone |
| Device type: | Wireless headphones |
| Mount type: | Without attachment |
| Maximum playback frequency: | 20000 Hz |
| Minimum repeatable frequency: | 20 Hz |
| Bluetooth version: | 5.0 |
| Type of acoustic design: | Closed |
| Wireless connection type: | Bluetooth |