Wireless Celebrat A21
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| Design: | Liners |
| Description: | Design: in-ear, device type: wireless headphones, acoustic design type: closed |
| Device type: | Wireless headphones |
| Mount type: | Occipital arch |
| Maximum playback frequency: | 20000 Hz |
| Minimum repeatable frequency: | 20 Hz |
| Bluetooth version: | 5.0 |
| Type of acoustic design: | Closed |
| Wireless connection type: | Bluetooth |