wireless micro loud sound 306 earpiece

This is NEW cheap mini wireless 306 earpiece, which has louder sound than 305 micspy earpiece, and the battery can also use about 3.5 hours for this new earpiece. the earpiece cannot work without inductions (can work with wired inductive loop, bluetooth inductive loop, bluetooth inductive glasses, bluetooth inductive watch, bluetooth inductive pen, bluetooth inductive hair hoop)

Description:
This Mini Wireless Earpiece is consided as a loud speaker in your ear. Easy to set up it, put the battery on the device, then set loopset at your neck and connect it to Other devices such as mobile phones, Then Put this tiny device into your deep ear, then you can talk to anyone Who You want

Feature:
1. SENSA micro-earphone is the most advance wireless earpiece receiver for covert operations.
2. The set contains the earpiece together with a inductive loop.
3. The micro-earphone is hidden deep inside the ear
4. Whereas the inductive loop is hidden under the clothes and therefore extremely difficult or even impossible to detect

Hotspots:
* Small, light, easy to conceal.

* Comfortable for wearing with an optimum anatomic design.

Work principle:

Mini wireless earpiece is a one-way reception equipment driven by electromagnetic induction and is used in conjunction with drive equipments, such as radio and mobile phone.

Structure:

- Mini wireless earpiece consists of specialized chip, shell, faceplate, battery door, handle etc.
1.Battery door: Open battery door by fingertip, install the battery perfectly and push the battery door to battery box.
2.Handle: Clarity and high strength string help you to take out the earpiece from ear canal easily.

Technical specification:
. Mini wireless earpiece (306 earpiece) receives signal by inductive coil.
across electromagnetic fields
. Receiving distance: 20-40 cm
. Standard Zinc-air battery: type 337
. Battery life: about 3.5 hours
. Audio bandwidth: from 300 Hz to 4 KHz
. Distortion:<2%
. Size: 3x5x7mm
. Working frequency: all frequencies
. Distance between inductive coil and Mini wireless earpiece: about 70-100 cm

How to use:
Wear the skin color loop on your neck or under your close if necessary. Connect the port with your cell phone and talk to the microphone just like an normal handsfree set but totally with no wire apear.

1. Open battery door, install the battery perfectly and push battery door into battery box gently. Put the earpiece into ear canal by holding the handle and the slight sound of current indicate working order.
2. Adjust the volume of drive equipment to reach satisfaction.
3. Set mobile phone to automatic return or vibration.
4. Put the inductive loop or other inductions(bluetooth pen, watch, glasses ,loop.ect) around your neck and connect the inductive loop to the drive equipments (mobile phone, radio) which are attached to or beneath users clothing. One transmits message with radio, the other wearing an earpiece and inductive loop who also has a radio can hear the message very clear. Because the inductive loop inducts the message from the radio to earpiece and then earpiece transforms the electromagnetic inductive signal to audio signal to reach the wireless inception. Communication distances and radio power are the direct proportion. You can communicate with others freely once network exist when you use mobile phone

What`s inside the box?
1 x 306 earpiece with box