Mettle A8 Power Bank Wireless Headphones
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| Design: | Intracanal |
| Description: | Design: in-ear, device type: wireless headphones |
| Standby time: | 300 h |
| Talk Time: | 35 h |
| Impedance: | 32 ohm |
| Sensitivity: | 100 dB |
| Charging time: | 1 hour |
| Device type: | Wireless headphones |
| Mount type: | Without attachment |
| Maximum playback frequency: | 20000 Hz |
| Minimum repeatable frequency: | 20 Hz |
| Case charging time: | 4 h |
| Case battery capacity: | 2100 mAh |