产 品 特 色：

* 置入式非一般挂勾式.

* 附精美收纳盒及清洁组.

* 使用一般水银电池(便利商店即可购得).

* 放大效果媲美医疗级水准.

商 品 规 格：

* Deft miniature hearing aid with low distortion, noise.

* Volume can be adjusted to all condition  

* 3 size of ear pieces + 1 cleaning brush.

* Fancy pocket carry box with Auto-shut-off function when close, in case of forgetting to turn off the 

  power.

* Battery: 2 x PR41 ( 1.4V Zinc/Air battery ).

* SUSD 0.04 per battery

* To prevent from children swallowing, battery cover should be torn  down  with tool.  

* Standard Frequency : 2500Hz

* Out Volume : 24~34dB

* Sound Pressure Level : 104~113dB (below 117 dB)

* Input Interference level :  Below 29dB

* Battery current : Below 0.7mA

* Battery life: 30 Hours

* Weight: 3g (include battery)

* Operation Temperature : 10℃~40℃