Feature
<br />1.Bluetooth style hearing amplifier ear zoom.
<br />2.Dist, Lightweight and powerful.
<br />3.Adjustable volume.
<br />4. Can be used in any place: Home, work and meetings etc.
<br />5. Comes with 3 soft ear adaptors.
<br />
<br />Specification
<br />Material: PVC
<br />Colour: Black
<br />Type: Wireless
<br />Max Sound Output:130dB +- 5 dB
<br />Sound Gain:45dB  +- 5 dB
<br />Total Harmonic Wave distortion(10%):&amp;lt;= 10
<br />Frequency:450-3800 Hz
<br />Input noise:&amp;lt;= 30dB
<br />Working voltage:1.5 V
<br />Working current: 10.8 mA
<br />Battery Type: AG13 lithium coin battery(included)
<br />
<br />Package Included:
<br />1 x Hearing Aid
<br />3 x ear tips
<br />1 x instructions
<br />4 x AG13/ A675 Batteries