| Max Sound Output | 120 ± 5dB | Voltage | 1.5V |
| Sound Gain | ≥35dB/28 | Battery size | A10 |
| Total Harmonic Wave Distortion | ≤5% | Battery capacity/Mah | 100 |
| Operation Current | ≤6mA | Operation current/mA | 3.5 |
| Frequency Range | 200-4000Hz | Working time/H | 29 |
| Input Noise | ≤35dB | Certification | FDA |
| Package | Packing box Type | Packing box Size | Weight |
| White box | 3*6.7*8.7 | 53.6g | |
| lid and base box | 10*10*3cm | 100g | |
| Machine size/cm | 1*1.6*1.3 |
