ENERGY SISTEM FS3 User manual

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ENGLISH
Introduction 3 .....................................................................................................................................................................
Care and maintenance 3 ...................................................................................................................................................
Features 4 ...........................................................................................................................................................................
General features 4 ........................................................................................................................................................................
Technical specifications 4 .............................................................................................................................................................
Audio 4 ...........................................................................................................................................................................
Wireless connectivity 4 ...................................................................................................................................................
TWS technology compatible with 4 ................................................................................................................................
Audio input 4 ..................................................................................................................................................................
MicroSD and USB player 4 ..............................................................................................................................................
Battery 4 ........................................................................................................................................................................
Product content 4 ...............................................................................................................................................................
General overview 5 ............................................................................................................................................................
Main Functions 5 ................................................................................................................................................................
Switching on and off the device 6 ...................................................................................................................................
Playback modes 6 ..............................................................................................................................................................
Bluetooth --> microSD --> USB --> Audio-in 6 .............................................................................................................................
Playback control 6 ..............................................................................................................................................................
Bluetooth 6 ..........................................................................................................................................................................
True Wireless Stereo (TWS) 6 ..........................................................................................................................................
Removable storage units (USB sticks/MicroSD cards) 7 ..............................................................................................
Auxiliary audio input 8 ......................................................................................................................................................
Call control (Hands-free function) 8 ................................................................................................................................
Voice Assistant 8 ................................................................................................................................................................
Charging the battery 8 ......................................................................................................................................................
Reset 9 .................................................................................................................................................................................
Firmware update 9 .............................................................................................................................................................
Warranty 9 ...........................................................................................................................................................................
Declaration of conformity 9 ..............................................................................................................................................

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Introduction
Thank you for trusting our company and buying the new Speaker FS3. We hope you enjoy it.
Stereo speaker with Bluetooth 5.0 and True Wireless Stereo technology to pair two units simultaneously and
enjoy music with twice as much power.
Double membrane delivering enhanced bass.
USB/MicroSD MP3 player and audio-in.
Before you start using your Speaker FS3 we strongly recommend reading this manual to get used to it.
Care and maintenance
Do not expose your Speaker FS3 to impacts, dust, humidity or high temperatures.
Use neither corrosive nor abrasive cleaning products.
Do not disassemble the device. All repair works should be carried out exclusively by qualified staff of Energy
Sistem Technology, S.A.
Please make sure your Speaker FS3 is off when you are not using it. Do not let it completely discharged for a

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long time.
Features
General features
Have fun with this speaker that combines style and functionality. Listen to music via Bluetooth 5.0, TWS and
MP3 player.
True Wireless Stereo technology makes it possible to pair two speakers and get twice as much power.
Speaker coated with highly resistant fabric, available in bright colours.
Hands-free function to answer your calls wirelessly.
20 W of power.
Play the MP3 files from your microSD cards or USB memory sticks (up to 64 GB capacity).
10 hours of battery life to enjoy music from dawn to dusk.
Technical specifications
Audio
System: 2.0
Power: 20 W
2 x 2.25-inch full range speakers
Passive radiator: two membranes
Frequency response: 80 Hz ~ 18 kHz
Signal/Noise ratio: > 60 dB
Wireless connectivity
Bluetooth v5.0, class II. Up to 20 m distance range
Compatible Bluetooth profiles: HSP / HFP / A2DP / AVRCP
Frequency band: 2.4 GHz (2.402 ~ 2.480 GHz).
Maximum output power: < 20 dBm
Hands-free function. Microphone sensitivity: -42 dB
True Wireless Stereo (TWS) technology
TWS technology compatible with
Speaker FS3
Audio input
3.5 mm mini jack stereo audio-in (AUX)
MicroSD and USB player
MicroSD and USB decoder: reads MP3 and WAV files stored on external units (up to 64 GB) with FAT/ FAT32 file
system.
Battery
Capacity: 3000 mAh
Type: lithium polymer
Battery life: up to 10 hours*
Charging port: USB Type-C
Charging time: 2 hours
Important: *The battery life depends on the selected volume level and the type of music.
Product content
Speaker FS3

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USB Type-C cable
Quick guide
Strap
General overview
On/Off/Play/Pause/Calls1.
Volume +/Next2.
Volume -/Back3.
Playback mode/Voice assistant4.
Microphone5.
LED indicator6.
MicroSD card slot7.
USB port8.
USB Type-C charging port9.
Auxiliary audio input10.
Main Functions

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Switching on and off the device
To switch on your Speaker FS3, press and hold On/Off/Play/Pause/Calls (1) for 2 seconds. At this point, you will hear a
confirmation sound. The blue LED indicator (6) lights up.
To turn off the device, press and hold On/Off/Play/Pause/Calls (1) for 2 seconds. You will also hear a confirmation sound.
At this point, the LED indicator (6) switches off.
Important: To force the device to shut down, press the hidden reset button located inside the Auxiliary audio input
(10).
Playback modes
Once the Speaker FS3 is on, you can choose the playback mode you prefer. To do so, press Playback mode/Voice
assistant (4) repeatedly until finding the preferred playback mode. Playback modes will appear in the following order:
Bluetooth --> microSD --> USB --> Audio-in
You will also hear the word identifying each mode.
Playback control
Select a playback mode and you will be able to control all playback functions from your Speaker FS3.
Press On/Off/Play/Pause/Calls (1) to play or pause a song.
Press Volume +/Next (2) or Volume -/Back (3) to adjust the volume level according to your preferences. You will hear a
warning sound when reaching the maximum volume.
Press and hold Volume +/Next (2) or Volume -/Back (3) for 2 seconds to skip to the next or previous track.
When using a removable storage unit such as a USB stick or microSD card, you only have to press Playback mode/Voice
assistant (4) twice to skip to another folder. To enable shuffle mode, press and hold the very same button for 2 seconds.
You will hear a confirmation sound every time you enable/disable shuffle mode.
Important: Bear in mind that you can only manage playback from the connected music player while using the Auxiliary
audio input (10).
Bluetooth
To pair your speaker with a Bluetooth device, press Playback mode/Voice assistant (4). Select Bluetooth mode. At this
point, the LED indicator (6) flashes blue. You will hear a confirmation sound when the device enters search mode.
Access the Bluetooth settings on your device and search for the Speaker FS3 among the detected devices. Select it to
establish the connection. The devices will be connected immediately. You will hear a sound confirming both devices are
correctly paired.
Your Speaker FS3 will automatically pair with your source device when you turn the speaker on again, provided that
Bluetooth is enabled on the source device.
Your Speaker FS3 turns off automatically after 5 minutes in Bluetooth mode, if not paired with any device.
The Bluetooth wireless connection range is up to 20 metres.
True Wireless Stereo (TWS)
This technology allows you to wirelessly connect a second Speaker FS3 within a maximum distance range of 20 metres

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to increase power and create a stereo system with separate left and right channels.
To do so, pair one speaker with your smartphone via Bluetooth first. Once you've done this, switch on the second
speaker and enable Bluetooth mode.
Press and hold Playback mode/Voice assistant (4) for 2 seconds on both speakers. You will see the Bt symbol flashing
quickly on both units. A few seconds later you will hear a sound to confirm both devices have been successfully
synchronized.
You will hear the music through both speakers at the same time. One speaker will be assigned the left channel (L) and
the other one the right channel (R).
The next time you turn on both speakers, they will pair with one another automatically.
To disable the True Wireless Stereo function, press and hold Playback mode/Voice assistant (4) for two seconds on any
speaker. You will hear a confirmation sound when both units disconnect.
Skip to the next/previous track and adjust the volume from any speaker while TWS mode is enabled. If you turn up the
volume on any of the speakers, you will be turning up the volume of both devices at the same time.
Note: This is only possible if Bluetooth mode is enabled. In all other playback modes (USB, microSD or AUX-in) a TWS
connection is not possible.
Removable storage units (USB sticks/MicroSD cards)
The Speaker FS3 plays .mp3 and .wav files from 64 GB USB sticks or microSD cards with FAT/ FAT32 file system. Plug
the microSD card into the MicroSD card slot (7) or the USB stick into the USB port (8). The speaker plays the contents
automatically a few seconds after plugging the storage unit.
If you turn off the Speaker FS3 or select another playback mode, the internal memory will save the moment where you
paused playback. This way, music playback will always resume from the last track you listened to.
Press On/Off/Play/Pause/Calls (1) to play or pause a song.
Press Volume +/Next (2) or Volume -/Back (3) to adjust the volume level according to your preferences. You will hear a
warning sound when reaching the maximum volume.
Press and hold Volume +/Next (2) or Volume -/Back (3) for 2 seconds to skip to the next or previous track.
Press Playback mode/Voice assistant (4) twice to skip to another folder.
To enable or disable shuffle mode, press Playback mode/Voice assistant (4) for 2 seconds. You will hear a confirmation
sound every time you enable/disable this mode.
The root folders and files of your removable microSD cards will be read in chronological order and the songs included in
your folders in alphabetical order.
Here you have a diagram of the reading order:

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Auxiliary audio input
Your Speaker FS3 features an Auxiliary audio input (10) to connect your external devices using an audio cable with 3.5
mm mini jack plug.
Important: It is not possible to manage music playback from the speaker while using this mode. You will have to use
the connected music player instead.
Call control (Hands-free function)
You can control your calls from the speaker itself. To do so, pair the Speaker FS3 with your smartphone.
When receiving a call, the song you are listening to stops and the ringing tone sounds instead. Press
On/Off/Play/Pause/Calls (1) to answer the call. Press it once again to hang up.
Important: If you receive an incoming call while TWS mode is enabled, you will only hear the voice of the person who
calls through the speaker connected to your smartphone.
Voice Assistant
The Speaker FS3 allows you to activate your smartphone's voice assistant. You only have to press Playback mode/Voice
assistant (4) twice. This way, you will directly activate your smartphone's assistant via Bluetooth.
This function will let you ask questions and use voice commands to perform tasks naturally and easily.
You can also take a look at Google Assistant and Siri user guides, available on their manufacturers' websites.
Charging the battery
When the battery level is below 10%, you will hear a sound reminding you to charge it. To charge the battery, plug the
USB Type-C end of the provided USB cable into the USB Type-C charging port (9) and the other USB end to any device
with a 5 V USB port (PC, USB wall charger, car charger, etc.). The LED of the USB Type-C charging port (9) lights up red
and switches off once the charging process has been completed.
The speaker has an approximate battery life of 10 hours. It depends on the selected volume and the type of music.

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The charging time is approximately 2 hours.
Important:
Use a 5 V 2 A AC/DC power adapter.
Do not leave your Speaker FS3 completely discharged for a long time.
Reset
To force the device to shut down, press the hidden reset button located inside the Auxiliary audio input (10).
Note: Avoid using metallic objects when performing the reset.
Firmware update
Download the last version here
Warranty
You can check the warranty terms here:
https://www.energysistem.com/terms-warranty
Declaration of conformity
Issuer's name: Energy Sistem Technology, S.A. - CIF: A53107488
Address: C/ Calpe, 1 - 03509 Finestrat, Alicante (Spain)
Tel: [phone]
We declare under our sole and exclusive responsibility that the product:
Description: Bluetooth speaker
Brand: Energy Sistem
Model: Speaker FS3
Manufacturer: Energy Sistem Technology, S.A.
Manufacturing country: China
referred to in this declaration complies with the essential norms and standards:
EN62368-1:2014+A11:2017
EN 62479:2010
ETSI EN 301 489-1 V2.2.3 (2019-11)
EN301 489-17 V3.2.3 (2020-07)
ETSI EN 301 489-52 V1.1.0 (2016-11)
ETSI EN 300 328 V2.2.2 (2019-07)
ETSI EN 303 345 V1.1.7 (2017-03)
in conformity with the provisions of the Directive 2014/53/EU of the European Parliament and of the Council of 16th
April 2014.
Finestrat, 1st September 2020

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Miguel Ángel Aragüez García
Innovation and Technology Director