Coolbe: This product is a medical device which must be used only as intended and in accordance with the instructions for use.
This device is not a substitute for professional medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before use if in doubt. The seller/distributor is not liable for any damages arising from misuse, unauthorized modification, or use beyond stated indications.
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Label:Yes
Material: ABS
Equivalent Input Noise:<=32dB 
Frequency Response: 450-3400Hz
Package Includes: 1pc Digital Hearing Aid
Power Supply: USB Recharging
Max Saturation Acoustic Output: 129+/- 3dB 
Color: Silver,Blue
Total Harmonic Distortion:<= 10%
Working Current: ≤1.2mA
Size: 5*4cm(1.97*1.57in)
Full Acoustic Gain: >= 40dB+/- 5dB 
Working Voltage: DC 1.2V
1. This product is designed for 40-60 years old elder people, suitable for those people who was hearing loss.
2. Wearing the hearing aid means rediscovering the pleasure of gathering with friends and family . feeling more confident at work ,and enjoying movies ,music and TV programs.
3. This product is rechargable style, you can save the battery cost, you can charger on the night,then you can use normally during in the day.
4. This hearing aids have volume control, it can adjust the volume to fit your own needs, and it will comfortable to wear for a long time, and also provide better technology in ray of hearing aids, to reduce electromagnetic interference.
5. Do not worry about to hearing others no longer, and get along with your family more harmoniously,Best gifts for your family,Let them feel your care and love.