Rechargeable Hearing Aid,Digital Hearing Aids,Wireless Earphones,Speaker Amplifier,Ears Adjustment Tools,First Aid for Deafness,Dropshipping
Features
Discreet thin-wire design
High and low tone control
Left & right ear adjustability
Specification
1.Product size:43x15x10 mm
2.Weight:4 g
3.Max. saturation sound pressure level(SSPL):130dB±4dB
4.Full on Acoustic Gain:F=1600Hz,45±5dB
5.Total Harmonic Distortion(THD):F>1000H? ≤15% F<1000H? ≤10%
6.Frequency Response:450-3500 Hz
7.Equivalent Input Noise:≤32 dB
8..Battery:Rechargeable
9.Battery Current Drain:4 mA
10.Estimated Battery Life:≥48 Hours
11.Rated Voltage:D.C 1.5V
Compared to other products,Our product adopts the invisible appearance design，multiple digital channels，
comfortable to wear, painless after long-term wear.
compact invisible design, complete accessories, clear sound, intelligent noise reduction,Can be charged anytime, anywhere.
Our products are certified by authoritative organizations, formal production plants, and customer satisfaction evaluations!Easy to use：Open the door, use the tip of the magnetic brush to pick up the battery, insert the battery, close the door, and identify the volume knob next to the microphone.
Prompt:
There?are?Whistle?as?you?put?the?battery?into?the?hearing?aid?.
Please?donot?worry?.because?the?air?presure?will?make?Whistle.
1.Please?adjust?lower?volume?.
2.Choose?the?suitable?ear?plug
3.Make?sure?if?you?put?the?earplug?tightly,sound?leak?will?make?the?Whistle.
