SBL03 bluetooth pen covert communication system

Product No.:
ca. 3-4 days ca. 3-4 days
925 pieces
Battery amount:
Choose the earphone:
170,00 EUR
incl. 19% tax excl. Shipping costs



Upgraded SEA09 Bluetooth pen with integrated strong 2 watt audio amplifier. To connect with any Bluetooth enabled mobiles. The integrated 2 watt audio amplifier guarantees the spy earpiece user a clearly communication while normal writing. Below you will find the working principle of the amplified Bluetooth pen transmitter.

Buy now the spy Bluetooth pen you will get below advantages and best after sales support with e-mail, live chat or skype. Wholesale orders are welcome.

Advantages of new Bluetooth transmitter and wireless micro earpiece

all in one pack Integrated high power 2 watt audio amplifier to drive wireless covert earphone 
Creates powerful magnetic field to connect with wireless spy earphone
One set includes micro earpiece, wireless bluetooth transmitter, charger socket and USB cable 
Powerful battery enables long work time.
new design neckloop CSR Bluetooth module provides good quality and stable work.
Supports covert communication and music from mobile phone.
Only 1mA power consumption in standby modus.
various wireless earpieces The sensitive microphone provides clear communication even whispered conversations.
Rated high sensitive microphone - gain 38dB
While you whisper in bluetooth pen, your Partner at another side hear you clearly.
Hidden microphone is located in the hole under ball-pen clip.
various wireless earpieces The choice between many different types of micro ear
Standard model for SBL03 bluetooth transmitter is SE02S micro ear skin.
You can also choose other models such as SE01, SE02B(black or skin), SE03(black or skin), SE04(pro ear)
2 batteries are supplied as standard. More batteries can be ordered!
”mute High capacity 220 mAh rechargeable battery.
Provides conversation for 2 to 3 hours or listening to music 1 to 1,5 hours
Standby time is about 200 hours.

To activate the internal Bluetooth module simply push down the ball-pen clip. All our spy earphones you can use with the powerful 2 watt bluetooth pen transmitter. The bluetooth pen you can wear in coat pocket while hearing over the wireless earpiece. Red and blue color indicators are covert by clip.


Download Manual Download user's manual of SBL03T wireless bluetooth transmitter

SBL03 bluetooth transmitter package includes: 

1 x Spy bluetooth pen
1 x AC power adapter (EU or US)
1 x USB recharge cable
1 x Spare pen refills in blue color
1 x Black color case

1 x Covert micro earpiece SE02 (you can also choose other models)
2 x Batteries for micro earpiece (you can also order more)
1 x Small brush and holl out tool for the battery
1 x User manual in English or German


SE01 – Mini black earpiece

Completely invisible in ear canal. Economic price. Applicable to all of inductive transmitters.

Completly invisible when in ear canal
Wireless receiver drove by all inductive transmitters
Most economical invisible earpiece
Powered by tiny #337/#416 button battery
5-6 hours battery life support
Earpiece size: 13x7x6mm                                                    
more information...                                                                              

SE02 – Invisible Micro ear black or skin

Most populer invisible earpiece. Cleare audio output with 2 colors ends. Applicable to all of inductive transmitters.


Skin and black colors option
Completly invisible when in ear canal
Wireless receiver drove by all inductive transmitters
Clear voice output with high quality mini speaker
Most populer covert earpiece
Powered by tiny #337/#416 button battery                             
5-6 hours battery life support
Earpiece size: 13x8mm / 0,5g
more information...

SE03 – Spy Nano earpiece - black or skin

The smallest hidden earphone in the world - 9x6x6mm. Pair with all induction transmitters.


Smallest size with loud sound and clear voice
Skin and black colors, completely invisible deeply into ear canal
Semi-circle tail enhanced covert function
Sensitive wireless receiver with clearer voice
Powered by tiny #337/#416 button battery
5-6 hours battery life support
Earpiece size: 9x6x6mm / 0,5g
more information...

SE04 – Professional invisible wireless earpiece

Optimum anatomic design. Top grade coil and speaker with changable volume. Produce crystal clear voice.


Slim size, light weight, easy to conceal
Comfortable for both ears with an optimum anatomic design
Top grade coil and speaker, max audio output
With automatic gain control module
Powered by tiny #337/#416 button battery
5-6 hours battery life support
Earpiece size: 13x7.5x3mm / 0,5g
more information...


Model number SBL03
Color black
Build-in microphone YES
Bluetooth  version 1.2 / 2.0
Bluetooth Password 0000
Transmit range to earpiece < 40cm / to cellphone <10 meter
Manufacturer Spystudy covert communication
Frequency Range 2400-2480 MHz
Battery Life Talking time 2~3 hours / Play music 1~1,5 hours / Standby 200hours
Battery Type lithium rechargeable battery
Dimension / Weight Bluetooth 140x15mm / 30 gram
Package Size / Weight Bag 104x157x36 mm - 175gram
Warranty 2 Year

SBL01 - 2 watt amplified bluetooth Pen

Before operate the SBL03 Bluetooth pen please read this user manual carefully. If you have question on about Operation procedures, please contact your dealer or contact

1. Introduction 

1> Physical Introduction to SBL03 Bluetooth Pen

2> Package contents

Each set of SBL03 bluetooth pen including 1pc SBL03 bluetooth pen and 1pc USB recharge cable.

If any part has been miss shipped please contact your dealer or store in the first time.

** Package is without AC power adaptor. You can but it separately.

3> **Very Important**

Never try to open below 3 parts. Warranty will be invalid if one of these part is broken.

Please do not try to open "Sealed" parts. If open it in force will cause physical damage.

While need to recharge battery. Please open "Recharge Part" horizontally.                           

Quick Start

1> Pair with mobile phone

A. Put bluetooth switch to pairing mode by press and hold
Bluetooth switch for about 8 seconds, until both of blue
and red indicators are turn on and flash one after one.

If indicator is flash blue or red, please hold and press switch for 3 seconds to turn off Bluetooth.  Before power off red indicator will flash 3 times 

B. Enable Bluetooth function in mobile phone and search for new device. After found "TE53" select it and press OK. Enter password 0000 and press OK. After successfully paired, indicator will flash in blue per second.

2> Use Invisible Earpiece

Load battery into earpiece and wear in ear canal. Call your partner in mobile phone or play music in mobile phone. Hold Bluetooth pen like normal writing. You will hear clear voice in invisible earpiece.

3> Turn On Bluetooth Pen

If already paired Bluetooth pen with mobile phone, need not pair again if use it in next time. Make sure Bluetooth function in mobile is on, then turn on Bluetooth pen they will connect automatically.

For save battery power please turn off Bluetooth pen if do not use it for more than 30 minutes.

Turn on - Press and hold Bluetooth switch for 3 seconds until indicator flash 3 times rapidly. Release the switch blue indicator will flash per 3 seconds.

Turn off — Press and hold switch for 3 seconds until see red indicator flash 3 times.


Q> Why can not pair with my mobile phone?

A> 1# Please make sure put Bluetooth pen in paring mode and Bluetooth function on mobile phone is enabled.
      2# If you have more than 2sets Bluetooth pen, please make sure others are not in paring mode.
      3# If above 2 Solution no work please try another mobile phone.

Q> Why can not connect after paired with mobile phone?

A> 1# Please make sure other Bluetooth pens are not in paring mode. If you have more than 2 units of Bluetooth pens.
      2# Please clear Bluetooth device list in mobile phone. Turn off Bluetooth pen. Then repeat step #1 in Quick Start.

Q> I have paired Bluetooth pen why no voice in invisible earpiece?

A> 1# Make sure loaded battery into earpiece and battery has power. If earpiece battery is low it makes beep alarm.
      2# In some mobile phone, need to connect Bluetooth device after paired.

Q> Why Bluetooth pen disconnect / stop work?

A> 1# Check if Bluetooth function is activated.
      2# Make sure Bluetooth pen is in working ränge - 10 meters from mobile phone in open space.
      3# Please recharge battery of Bluetooth pen.

Battery Information

Bluetooth pen is build  in rechargeable li battery. The füll Performance a new battery is achieved only after two orthree complete Charge and discharge cycles. The battery can be Charge and discharge hundred of times, but it will eventually wear out.

Recharge battery use only original default USB recharge cable. Do not leave a füll charged bluetooth pen on recharge power source. Because overcharging may shorten battery life. If left unused, a füll charged battery will lose its Charge overtime.

Make a voice dial call Tap bluetooth switch and speak name after the tone
End a call Tap Bluetooth switch
Receive a call Tap Bluetooth switch
Reject a call Press Bluetooth switch twice
Redial last call Press and hold Bluetooth switch until heard a beep
Transfer a call from the phone to bluetooth Tap the Bluetooth switch for 2 seconds or use respective function in cellphone


Stay on red while plug into power adaptor Charrging battry
Stay on blue while plug into power adaptor Charging completed
Off without adaptor Power use off
Flash blue and red one after one In pairing mode
2 rapid flashes  Pairing successful
Slow pulse in blue Connected

Warranty will be invalid in below conditions:
1) Passed 24 months since ship date.
2) Open case or and change circuits without our formal authorization.
3) Other kinds of problems caused by wrong operations.

Thanks for your reading and thank you for choose spystudy products!

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