Hearing Sound Amplifier

Hearing Sound Amplifier New G-18 bluetooth TYPE FDA OTC Hearing aid with Usb Rechargeable Advanced Digital Mini In Ear Sound amplifier ITE Hearing Aid Volume and power switcher,which can work lasting for 80-100 hours. Ear Hearing Sound Amplifier By USB Rechargeable For Mild To Moderate Hearing Loss *Max Sound Output: 120dB ± 5dB *Max Sound Gain: 40dB ± 5dB *Harmonic Wave Distortion: ?5% *Frequency Range: 500~4500 hz *Equivalent Input Noise: ?28 dB * Adjustable Volume button * Power On/Off Switcher +Battery: Built-in Li battery Rechargeable battery working duration for 80-100 hours *Working Voltage: D.C.3.7V *Working Current: ?2 mA *Item Size: 1.6 x 1.8 x 1.2cm This is the same famous sound amplification device that has been nationally publicized on TV and in leading publications similar to those being sold in Europe for much, much more. High technology so small fits right in your ear. Don't be fooled by this device’s size or appearance. It may look like a simple device just designed to hide just right in your ear, but it's actually a major breakthrough in sound interception and amplification technology. url:http://www.byvisiontech.com