2021 Rechargeable Hearing Aid Audifonos Intelligent ITC Invisible Earbuds Adjustable Tone Sound Amplifier In-Ear Hearing Device

V30 is a rechargeable ITC hearing aid, professional auditory and acoustic design, high-quality components, bringing clear and natural listening enjoyment, rechargeable and portable charging boxes very easy to use. V30 is a simple, convenient, high-quality and clear and natural sound quality.Audiological Features·Low Equivalent Input Noise·Super Clear Sound·Low Frequency Cut FilterFunctional Features·Integrated signal processing·Balanced Armature Receiver·MEMS Mic·Volume Control Mode: Rotated VC 0~Max.·Rechargeable lithium-ion battery·Charging time: 2.5 hours·Battery life: 25 hours per full charge·Standby time:1year！！This charging box can only be used for this linked product and cannot bemixed with other products.