LL-Ear Care Mini Digital Hearing Aids Aid Assistance Adjustable Sound Amplifier Invisible Hearing Aid

Maximum saturated sound pressure: 129dB±4dB Maximum file acoustic gain: 48dB ± 5dB Harmonic distortion: ?18% (450?F?5000) Frequency response: 450-3000Hz Equivalent input noise: ?30dB Battery Type: Lithium Ion Battery Operating voltage: 0.2±0.1V Operating current: ?4mA feature: Hearing aids are rechargeable and do not require battery replacement Hearing aid combines an aesthetic appearance with the smooth sound of built-in speakers This hearing aid channel digital sound processing allows the user to control the volume and program Filter out unwanted noise caused by air currents or wind to directly transmit strong and smooth sounds to your ears Moisture resistance provides durability suitable for most forms of moisture and wear Separate wires and headphones, more convenient and safe In-the-ear hearing aids also provide improved technology to reduce electromagnetic interference Hearing aid for people with severe hearing loss Hearing aids are small enough to fit easily into your pocket or handbag