Charging Box + Left And Right Usb Rechargeable Hearing Aid Invisible Hearing Aids Adjustable Tone Sound Amplifier Portable Hearing Aid

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 FeaturesLow Equivalent Input NoiseSuper Clear SoundLow Frequency Cut FilterFunctional FeaturesIntegrated signal processingBalanced Armature ReceiverMEMS MicVolume Control Mode: Rotated VC 0~Max.Rechargeable lithium-ion batteryCharging time: 2.5 hoursBattery life: 25 hours per full chargeStandby time:1year