SBL04 bluetooth watch - covert communication spy earphone system

Product No.:
ca. 3-4 days ca. 3-4 days
836 pieces
Battery amount:
Choose the earphone:
185,00 EUR
incl. 19% tax excl. Shipping costs



This is our new bluetooth watch covert communication system. It creates more power than the other any bluetooth transmitter to drive the micro covert earpiece. With the built-in 3,5 Watt amplifier now offers more stronger output audio signal and same power consumption. To use bluetooth watch  transmitter with wireless earpiece you will get louder sounds and further transmission distance. SBL03 bluetooth watch  transmitter compatible with any micro earpiece from our shop.

Keep your hand on the table and receive wirelessly and invisibly Your telephone call from mobile phone to spy micro earpiece.

Fits perfectly on the wrist
Built-in rechargeable battery
Compact and unobtrusive design
Works with any spy earpiece from our shop
Keep your watch no more than 40 cm from the headphones away, and you can hear everything clearly.
New 2012 developed and exclusive design

Well hidden Bluetooth indicator lamp can be found inside clock fingers                        
Answer to calls or dial by tapping
Play music from your cell phone easily
Easy volume setting on the Clock
Fake watch. Clock not working
All circuits were routed to working for secret services

High quality built-in CSR Bluetooth chip with A2DP profile function                                
Powerful 3.5 watt audio amplifier with low consumption
Inductor has no interference with other chips
Designed and tested by our experienced team

Download Manual Download user's manual of SBL04 wireless bluetooth watch transmitter (to time not available)

SBL04 bluetooth transmitter watch package includes: 

1 x Bluetooth transmitter with 3,5 watt amplifier
1 x Inductive loop
1 x Charger for bluetooth transmitter
1 x USB adapter cable

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 SBL04
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 Systems
Frequency Range 2400-2480 MHz
Battery Life Talking time 3.0 hours / Earphone 7 hours
Battery Type 340mah lithium rechargeable battery
Dimension / Weight Bluetooth 60x45x16mm / 30 gram
Package Size / Weight Bag 104x157x36 mm - 175gram
Warranty 1 Year

2012 New Product.

Spy Bluetooth Watch has a built-in 3.5 watt amlifier to drive all kinds of wireless earpiece within 40 cm. The Bluetooth wrist watch allows you to put hand on desk and hear clearly through spy invisible earpiece.

Compact and hidden design
Perfectly fit to wrist
Built-in rechargeable battery

Hidden Bluetooth indicators are inside clock fingers
One tap to dial or answer phone calls
Play music via mobile phone and easy to adjust the volume
FAKE clock. Not real clock function

<1> Recharge and Active

Before use the Bluetooth watch, please recharge fpr a few seconds to active the battery.

The Red light will turn on while recharge. Full recharge takes about 3 hours. After full recharged, the indicator turns to blue color.

<2> Pare with Mobile Phone

A. Put Bluetooth watch in pairing mode

1) Wihhe Bluetooth watch power off, press and hold Bluetooth switch for 6-10 seconds until both of blue and red color indicators areturns on.

2) If Bluetooth is switched on or indicator is flashing, press and hold Bluetooth switch for 5 seconds to turn off Bluetooth, then repeat above step 1).
B. Put Mobile phone in pairing mode

1) Go to mobile phone panel, turn on Bluetooth function and search for new Bluetooth device.
2) Select "T-Watch" then press "OK" or "YES".
3) Enter password "0000" and press "OK".

*Once paired, indicator change from flashing to blue. Some mobile phone need to "connect" manually.

Note: If can not switch on Bluetooth, please delete the paired devices and try again.

<3> Wear the wrist watch

Wear watch in left or right hand depends on earpiece.

Put hand on desk while siting on the desk. Then you can hear clearly in the earpiece.

No need to put hand near to ear.

You can increase or reduce the volumes in the left side.

<4> Battery & Recharge

To save battery power, please turn off power if not using for a long time.

Turn off - Press and hold Bluetooth switch until indicator flash then switches off

Turn on - Press and hold Bluetooth switch until indicator turn on Blue color. If already paired with mobile phone and Bluetooth function in mobile phone is turn on, it will connect to mobile phone automatically.

* Some mobile phone models do not support this function. 

The full performance of a new battery is achieved only after two or three complete charge and discharge cycles. The battery can be charge and discharge hundred of times, but it will eventually wear out.

When recharge battery use only original default USB recharge cable and default wall charger. Do not leave a full charged device on recharge power source. Overchanging may shorten battery life. If left unused, a full charged battery will loss its charge over time.

Make a voice dial call  press Bluetooth switch and speak name after tone
End a call Tap Bluetooth switch
Receive a call Tap Bluetooth switch
Reject a call Press and hold switch until BEEP
Redial last call Press and hold switch until BEEP
Answer a second incoming call Press and hold switch (1st call on hold)
Toggle between two active calls Press and hold switch
Join a 3-way call (depends on phone) Press and hold both volume switches
Put an active call on hold Press and hold switch until BEEP
Transfer a call from phone to BT Tap Bluetooth switch
Mute or unmute call Press Mute button
Send SOS alarm sound Press SOS buton
Solid red Battery recharging
Change red to blue Charging completed
No indicator Power use off
Blue and Red are turns on in pairing mode
10 rapid flashes in blue Pairing successful
Slow pulse in blue connected


Q. Why is not the neckloop working with my phone?
A. Please make sure the Bluetooth is switched on in your mobile phone and that the neckloop is in pairing mode. Also mobile phone need to be within 10 meters from Bluetooth neckloop in open space. Try powering on/off the phone and neckloop and try again.

Q. Why can not pair with my mobile phone?
A. 1) make sure Bluetooth switch has power. Please recharge for 3 hours and try again.
    2) Clear the paired Bluetooth devices and try again.

Q. Why the voice is too small?
A. The defined transmit distance from watch to earpiece is 40 cm. Make sure there is no encumbrance between them, such as shulder, heavy cloths are able to blocks the signalse especially the metal materials.

Q. Why do i heard interference in invisible earpiece?
A. if earpiece has no quality problem, the volume is likely too loud. Reduce the volume on the volume controler. 

This product is compatible with (for example):

SBL05 GSM Spy Earpiece Box

SBL05 GSM Spy Earpiece Box

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