Newest Smallest Wireless Nano earpiece SE03N

Product No.:
ca. 3-4 days ca. 3-4 days
812 pieces
95,00 EUR
incl. 19% tax excl. Shipping costs


SE03N - Wireless Nano earpiece

Slim cube shape, tiny outer size, entirely concealed in ear canal. SE03S nano in ear ist the smallest wireless electroacoustic receiver.

With smallest hidden spy earpiece, you can setup your own covert communication system while secrecy and privacy are of paramount importance. You can use the smallest nano in ear in applications of surveilance, VIP protection, investigation, to cheat a test and so on. No one will notice user is wearing spy nano earphone. Nano earphone well know by its skin color and bean shape. The main part of earpiece is skin color. You can choose from skin color and black color.

Key features:

  • Smallest size with loud sound and clearer voice
  • Completetly invisible deeply into ear canal
  • Skin and black colors options
  • Semi-circle tail enhanced covert function
  • Sensitive wireless receiver with clearer voice
  • Wireless receiver drove  by all inductive transmitters
  • 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?
Nano spy in ear build in a smallest receiver coil and speaker.
While nano coil received magnetic signal from transmitters, the embedded circuit systems will transfer wireless signal to audio sound.

Then the earpiece user will hear clear voice from the internal nano speaker.

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:

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

Package includes:

1 x SE03S Nano earphone
1 x Maxell #337 Battery - Made in Japan 
1 x Plastic box 


Model number SE03
Color Skin or black
Frequency 200-5400 MHz
Staturated output 115 dB (OSPL90dB)
Distortion rate < 2%
S/N ratio at 2KHz > 5 KHz
Peak value 40 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 52x41x14mm / 0.8 gram
Earpiece size / weight 6 x 6 x 9 mm / 0.5 gram
Operating temp Maintain -10 - 60C / Operating 0 - 40C
Humidity 5% - 80%

SE03 - invisible black or skin nano earphone

Invisible earpiece receive voice signals from inductive transmitters wirelessly. All kinds of inductive transmitters could drive spy nano in ear SE03.

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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