Rechargeable Hearing Aids Hearing Amplifier

Specification: Working Current: 1.2mA Signal to Noise Ration: 32dB Max Out: 129 3dB Max Gain: 40 5dB Harmonic Distortion: 10% Colour: Silver/ Light Blue Size: 5*4cm/ 2" x 1.6"/ Length X Width Feature: Long standby time Safe charging Digital chip Intelligent noise reduction Anti-howling Easy Operation Volume Control Bendable Earline Lightweight Fully charged replaceable artery can stand up to 40h use. Package included: 1 X Principal machine 4 X Earplugs 1 X Cleaning sweeper 1 X USB cable