❤ Superior Sound Amplification: Complete digital signal process, automatic anti-reaction, wide dynamic range compression WDRC process, less than 3% total harmonic wave distortion, plus 200-5000 frequency range, it's superior in sound quality.

❤ Wearing Invisible: Audisound hearing amplifier is almost invisible when sitting comfortably behind your ear. It's lightweight and ergonomic fit, so very comfortable for all days wear.

❤ Fit for All Environment: 4 channels program and 3 modes ( normal, noise reduction, telecoil) fits for different environment, like home, office, library, park, concert, etc. You can adjust "H" & "P" to control frequency and maximum output.

❤ Easy Volume Control: Easily increase or decrease volume with 1 finger button, no need to take off the device.

❤ Inductive for Phone Calls: Some brand hearing device will have too much noise when answering phone calls, but ours Audisound device with inductive mode can supports clear sound quality when answering phone or concert.

❤ Specification:
Max Sound Output: 125±3DB
Sound Gain: ≥35±5DB
Total Harmonic and Wave Distortion: ≤3%
Frequency Range: 200-5000HZ
Input Noise: 35±5DB
Hearing Loss: Slight, moderate and Severe
Working Time: 500 Hours
Battery: A13

❤ Package Included:
1X AudiSound Digital Hearing Sound Device
3X Ear Tips
2X Ear Hook
1X Ejector Tool
2X 13 Battery

❤ KIND REMIND:
1.Please adjust volume to minimum level or switch off before wearing and add volume gradually when using.
2.Please Choose right size of ear tips to avoid howling, air leakage.
Don't forget to clean the ear plugs regularly to ensure normal use. And we suggest you to replace new plugs every 2 months.