Origin:China MainlandModel Number:1607-skinHearing Aid:Sound AmplifierEar Aids:Hearing AidsHearing Device:Ear Hearing Amplifierwireless hearing aid:hearing aid digital rechargeablehearing aid for elderly:hearing aids digitalrechargeable aid:sound hearing aidHEAR AID FOR THE ELDER:ear sound amplifier hearing aidHearing aids for deafness:hearing aids for the deafaparelho auditivo:Adjustable Tone Sound Amplifieraudifonos para sordera:aparatos auditivosRechargeable Hearing Aid Mini Invisible Digital Sound Amplifier forDeafness Elderly Wireless Aids to Severe hear loss aparelho auditivoProduct Features:* Mini size--Invisible to wear* Easy to operate for elderly*Digital chips, Noise reduction* Rechargeable--no need to replace battery* Around 25 Hours to use after fully chargedProduct parameters:Size: 21.7x15x21.9mmWorking voltage: DC 3.7V +5%, -10%Working current: 1.4mAFrequency response: 300-5000 HzEquivalent Input Noise: 29dB, +3dBMaximum Saturation Acoustic Output: 128dB, +3dBThere are 3 colors to choose:white,black,skinthere are many stock, you can place the order reassuring, will ship within 24 hourshearing aids for the deaf, HEAR AID FOR THE ELDER,ear sound amplifier hearing aid,Hearing aids for deafness,sound hearing aid,Ear Hearing Amplifier,digital hearing aids,Wireless Earphones,headphones,audifonos,aparelho auditivo, audifonos para sordera