Place of Origin
Zhejiang, China
Material
Metal, Plastic, Steel
Quality Certification
CE-MDD,ROHS,13485,510K
Instrument classification
Class I
Product name
electroic stethoscope
Measurement
Diameter 58mmX Height78mm
Storing Environment
-20~55℃;RH≤80%
Power Supply
3.7V Lithim Battery
Power Protection
Over-discharge, overshoot , over-current, over-voltage protection
Battery Life
Charge and discharge more than 600 times
Signal magnification
100 Times