| Transmission Range | ≤ 10M |
| Operating Voltage | DC 3.4V ~ 4.2V |
| Power Supply | USB DC 5V/500mA |
| Output Impendence | 16Ohm ±15% |
| Frequency Response | 20Hz ~ 20KHz |
| SNR | 100dB ±5dB |
| Maximum output power | 50 mW |
| BT Version | 4.2 |
| Driver Unit | 10 mm |
| Battery charging interface | Micro USB |
| Battery Capacity | 135 mAh |
| Working Time | 4.5~5.5 hours |
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