SE04 - wireless invisible professional earphone

Product No.:
ca. 3-4 days ca. 3-4 days
948 pieces
190,00 EUR
incl. 19% tax excl. Shipping costs


SE04 - Wireless invisible Professional earphone

SE04 Professional micro earphone comes with slim size, light weight and professional design. It is a great choice for high end spy earpiece users.

Professional earpiece is build  with excellent optimum anatomic design which ensures you use it for both ears.

The top grade coil and speaker and automatic gain control module provide max audio output with crystal clear voice.

SE04 Professional earpiece is typically applied for police and military covert communications and TV presenters. It supplys safety protection for users, as well as enhance ability of military and police operations.

Key features:

  • Comfortable for both ears with an optimum anatomic design
  • Completetly invisible when wear in ear canal
  • Slim size, light weight, easy to conceal
  • Top grade coil and speaker, max audio output
  • With automatic gain control module
  • Wireless receiver drove  by all inductive transmitters
  • Clear voice output with high quality mini speaker
  • Powered by tiny #337/#416 button battery
  • 5-6 hours battery life support
  • Easy operation (user manual available)
  • With 12 months quality warranty and lifetime tec-support
How does it work?
Professional covert earphone build in a receiver coil and speaker. While mini coil received magnetic signal from transmitters, the embedded circuit system will transfer wireless signal to audio sound.

The the earpiece user will hear clear voice from the internal mini speaker. Adjust the volume knob to choose the better volume for you.

When you connect the transmitter to your mobilephone or Mp3 Player, the transmitter creat a magnet field around the amplifier and the invisible signal drives the earpiece working.

 Earpiece circuit system:

Download Manual Download user's manual of SE04 Professional covert earphone

Important: Wireless micro ear always need a inductive transmitter to be able to work!!!

Package includes:

1 x SE04 Professional spy earphone
1 x Maxell #337 Battery - Made in Japan 
1 x Black pak box
1 x Cleaning brush


Model number SE04
Color Skin
Frequency 300-3600 MHz
Staturated output 100 dB (OSPL90dB)
Distortion rate < 2%
S/N ratio at 2KHz > 5 KHz
Peak value 45 dB
Sensitivity limit < 85 dB
Working current 0,65 mA
Battery Type Button battery #337/#416
Battery Life 6-7 hours (Original sony battery)
Warranty 1 Year


Packing size 65x64x29mm / 38.5 gram
Earpiece size / weight 3 x 7.5 x 13 mm  / 0.5 gram
Operating temp Maintain -10 - 60C / Operating 0 - 40C
Humidity 5% - 80%

SE04 - invisible profesional earphone

Invisible earpiece receive voice signals from inductive transmitters wirelessly. All kinds of inductive transmitters could drive micro ear SE04.

Each pc of mini ear packinclude black plastic box. The box with label marked earpiece color. Each earpiece with 1 pc free button battery which is hide in black sponge.

Step1> Load battery into earpiece

Open plastic box and push black sponge by hand you will find position of battery. Cut sponge then take out battery. 
Open battery case by lift protuberant part. Make sure cathode  face to handle and anode opposite to handle. Then close battery case.

Note: 1> After loaded battery, earpiece starts work. 2> Do not load battery in wrong direction.
If load battery wrongly in mini earpiece it might cause circuit damage.

Step2> Wear earpiece

1> Clean ear canal by cotton swab.
2> Load earpiece into ear canal horizontally for maximize signal reception. Handle is better in down position for easy take out.
3> Put earpiece into canal deeply until its invisible.

Please take out earpiece and unload battery if stop use it.

Invisible earpiece is high-tech ealectrical device. Please operate and maintain carefully.

* Please chek wax filter in front end termly. If wax is full, you can use cleaner to pickup the wax. Cleaner does not included. You should buy it separately.

Q. Why earpiece no signal?
A. Please check if battery loaded correctly.

Q. Why i can hear little static noise?
A. Its normal to get little static nise. It means earpiece is in working status.

Q. Why i can hear loud static noise?
A. Please get far away from magnet frequency field.

Q. Why heard loud "zzz" noise?
A. Its alarm battery going to use off. Please change new battery.

Q. Why volume is small=
A. Please chek if wax filter is full.

Q. Why battery life is very short?
A. Please use brand new high quality battery.
If no use earpiece for few moments please take out battery for save the power.

The end......

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