Total harmonic wave distortion: ≤7%. Input Noise:≤32dB. Max sound output:118±4dB. Sound gain: ≥32dB±2dB.
2025 Best Digital Hearing Aids for Seniors Invisible Rechargeable Sound Amplifie
Pair Rechargeable Digital Invisible Hearing Aids Mini Sound Voice Amplifier 2025
PurFlo Starlight Colour Changing Baby Room Thermometer | Rechargeable Digital Temperature Monitor for Nursery, Bedroom & Indoor Use | Easy-Read Colour Display, USB Rechargeable & Portable
Vhipu Hearing Amplifier, Rechargeable Digital Personal Sound Device Chip BTE (Behind The Ear) Sound Enhancer for Seniors Adults Hearing Loss with Noise Cancelling and Charging Case