Item Type: Ear Care
Brand Name: Hailicare
Material: Medical plastic
Size: 200g
Model Number: 10309
Plug Type: EU or US
Battery: 1.2V
Working Current: Less Than 3mA
Signal to Noise Ration: Less Than 28db
Frequency: 100-4000Hz
Gain: 30db
Distortion: Less Than 6%
Color: As the picture show