the product name is Hearing Aid Review

This New G-18 bluetooth style hearing aid Amplifier with the Usb Rechargeable Li-battery as the Advanced Digital Mini In Ear Sound amplifier ITE in Ear with Volume and power switcher,which can work lasting for 80 hours It's the Hearing Aid review on the mode G-18 ITE USB Rechargeable Battery Hearing aids THREE advantages: 1.Environmental. Protect the environment. According to statistics,15 billion ordinary batteries are thrown away every year,all of which end up the landfil site. And they almost can not be decomposed. 2.Money save. Rechargeable BTE hearing aid,with out the battery change issue and work. As usual,one battery works for about 7 days,and it needs about 50 batteries for each year. 3.Convenient. USB cable connection with the charger Just like charging the mobilephone,easily,quick and higher safety. Features: *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 url:http://www.byvisiontech.com