COD Hearing Aid USB Rechargeable Behind The Ear Sound Amplifier Adjustable Tone Volume Hearing Aids

•Descriptions:Continues use time long, during the day, don't worry he will not be without electricity.Choose the suitable for your earplugs, and then switch to ON open state, and then to turn the volume switch to your dB.When you sleep or take a shower when you put him down, will hit the OFF switch off state, so can long use time.Do not place the product in water or moist places.Specifications:Material: PlasticColor: skin colorSize: 14.5*6*10.5cmModel Number: A02Signal to Noise Ration: Less Than 28dbPlug Type: USFrequency: 100-4000HzVoltage: 1.2VGain: 30dbWorking Current: Less Than 3mADistortion: Less Than 6%Charging time: approx. 3 hoursWorking time: 8-10 hours