1 Pair USB Rechargeable Mini Ear Hearing Aids Portable Invisible Assistant Adjustable Tone Sound Amplifier For Deaf Elderly
1 Pair USB Rechargeable Mini Ear Hearing Aids Apparatus In Ear Invisible Hearing Aids Assistant Adjustable Tone Sound Amplifier For Deaf Elderly Ear Care Tools Deafness Device
Features 1. High quality ABS material delivers comfortable and skin-friendly touch feelings, non-toxic and safe for skin. 2. Ergonomically in-ear design can better suit your ear with perfect comfortable fit, high quality built-in chip will deliver crystal clear sound quality and enhanced noise reduction effect. 3. Built-in rechargeable battery can be directly powered by the supplied charging case, max up to charge your hearing aid device twice, and the LED lights can provide direct and clear indication of working status. 4. Support one button control to allow for easy power on/off and tone adjustment, and three different ear plugs in S/M/L size variations can widely work on different users.
Specifications Material: ABS Color: Black/White(Optional) Power Supply: USB Charging Maximum sound output output: 117+/-3dB Acoustic Gain: >=25dB+/-5dB Total Harmonic Wave Distortion: <=7% Frequency Range: 400-4500MHz Input Noise: <=32dB Voltage: DC 1.2V Current: <=6mA Size: Approx. 2*2*2cm