This system can be used to channel digital sound processing that allows users to monitor volume, filter out unwanted noise from airflow and wind. It provides direct, efficient, and smooth sound to your ear. It’s smaller than a credit card and discreet enough to conveniently fit in your handbag or wallet. The measurements (Lx Wx H) are very straightforward and easy to use: 1.3x 1.1x 1.8 cm. Suitable for patients with air-conducting hearing loss. It can be used as an air amplifier to help you hear the sound, indoors or outdoors, clearly and loudly. It is possible to control the speed.Features:100% brand new and high qualityBTE hearing aidMax sound output: 129dB ± 4dBMax sound gain: 50dB ± 5dBHarmonic wave distortion: approximately 5%Frequency range: 450~3500 HzInput noise: approximately 30 dBBattery: AG13Working voltage: dc1.5VWorking current:Before wearing, adjust the volume to the minimum.Choose a slightly larger earplug to discourage whistler.Gradually increase volume to prevent abrupt sound changes.
