Rechargeable Hearing Aid Based on integrated signal processing, AAB52SP features two pre-set switch. The hearing aid contains a built-in lithium-ion rechargeable battery. Use the supplied micro-USB cable to charge the hearing aid.
Low Equivalent Input Noise
Super Clear Sound
Low Frequency Cut Filte
Balanced Armature Receiver
‘H’ control for low frequency suppression
‘N’ control for normal
‘O’ control for turn off power
Rechargeable lithium-ion battery
Charging time: 2.5 hours
Battery life: 40 hours per full charge
1.Adjust volume to the minimum before wearing.
2.Choose an earplug of slightly bigger size to avoid whistler.
3.Increase volume gradually to avoid sudden increase in sound.
4.If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage. If it still does not work, please check the chat window leave me a message.
5.Keep the ear plug clean.
6.Remove the battery if you don’t use it for long time.