Rechargeable USB Earphone-Type Hearing Aid Behind-The-Ear Sound Amplifier Elderly Noise-Reducing Hearing Aid Charging Case

Functional Description--Intelligent magnetic switch machine--Universal design for the left and right ears--Original imported chip--High fidelity sound quality--Background noise reduction--Knob to adjust volume--Lithium Battery Portable Magnetic Charging Case (type C)--The magnetic charging case can charge the hearing aid 4-5 times repeatedly--Battery life ≥20 hours--Charging time is 2-3 hoursPackages included2 x Hearing aid6 x Earplug (Different sizes)1 x User manual1 x Charging case2xCleaning brush1 x Type-c charging cableKindly Remind1.Before the first use，make the aid charge for 2 hours and then use it.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 tightthe appropriate choice of earplugs and plugged, make sure no air leakage.5.Keep the ear plug clean. If the earmuffs are not completely inserted into the ear canal or the air leakage of the earmuffs will cause electrical noise, please don't worry,this is the smart chip is suppressing howling, just replace the appropriate earplugs.Turn off or lower the volume before inserting the instrument in your ear.Securely position the instrument into your ear. Once the hearing aid is properly seated in your ear,the howling will generally stop.Feature1. ultra-small Wireless in-ear hearing aid.Universal design for the left and right ears2. Push button to adjust volume3. Battery compartment cover with transparent design, open and close the battery compartment cover, the indicator light shows the power level4. Portable charging compartment, can be recharged for more than4- 5 times.5. Unique noise reduction treatment, clearer sound quality.