Wireless headphones MASTER -SLAVE CHALLENGE BW15 /TWS headset with microphone/ case with light/white
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| Weight: | 37 g |
| Design: | Liners |
| Product color: | White |
| Description: | Design: in-ear, device type: TWS wireless headphones, design features: microphone, plug connector: USB, operating time: 120 h |
| Plug connector: | USB |
| Working hours: | 120 h |
| Battery capacity: | 250 mAh |
| Standby time: | 120 h |
| Talk Time: | 4 h |
| Design features: | Microphone |
| Device type: | Wireless tws earphones |
| Maximum playback frequency: | 20000 Hz |
| Minimum repeatable frequency: | 20 Hz |
| Technology: | Dynamic |
| Weight of one earpiece: | 6 g |