Complaint
| Intelligent Stethoscope Specifications | |
| Stethoscope Size | Diameter: 58mm, Height: 78mm |
| Storage Environment | 55ºC;RH≤80% |
| Battery | 3.7V Lithium Battery |
| Charger | DC 5V 1A |
| Battery Life | More than 600 times charges |
| Battery Stand-by | 180 hours |
| Working model | Continuous |
| Signal Sensitivity | 4mV/Pa |
| Noise Reducing | -35dB |
| Liquid Protection Classification | Standard |
| Working Frequency | 20Hz -- 3Kz |
| Volume | Normal: 60dB;Max: 110dB; 4 levels adjustable |
| Playback | Normal Speed and Half-speed playback |
| Bluetooth Version | BLE 4.0 |
