说明

• Rechargeable Digital Hearing Aids Severe Loss Invisible BTE Ear Aids High Power Amplifier Sound Enhancer For Deaf Elderly Features: 1 Equivalent Input NoiseFeatures 2 Clear Sound 3 Frequency Cut Filter 4 Analog 5 Control 6 &;H&; control for low frequencysuppression 7 N&; management for normal 8 o&; management for turn of energy nine Rechargeable lithium -ion battery 10 time: 2 hours eleven life: forty hours per full payment Technical Specification: 1 MAX AT 2900Hz a hundred twenty five dB HFA AVG : one hundred twenty dB 2 MAX AT 2200Hz dB : 45 HFA AVG dB : 39 3 RANGE Hz:293-3827 4 distortion 500Hz : 1% 800Hz : 1% 1600Hz : 0% five INPUT NOISE : 25 dB To solve the whistling sound: 1 Reduce the quantity Turn off or decrease the quantity earlier than placing the device on your ear 2 Securely function the software into your ear Once the hearing aid is properly seated on your ear,the whistling will commonly give up three Clear the ear canal of wax or particles Check your ear with help four Change the ear piece or tubing Change a brand new one or a special size one Make sure the tubing isn't always damaged or torn Returns Policy and Feedback: We admire your superb feedback, We will go away a positve suggestions to you upon getting received the object Please go away us a positive suggestions If you convinced with the object If you don&;t convinced with the item, Please touch us before leaving feedback Please do not open dispute or leave unfavourable feedback with out talking to us, we are able to respond to all our customers and remedy the problem you've met

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