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  • Thank you for trusting our company and buying the new Earphones Eco. We hope you enjoy the product.
  • In-ear design earphones made from sustainable materials such as wood and hemp. Created to provide balanced sound, clear treble and powerful bass thanks to the dynamic sound adjustements. In-line microphone.
  • We recommend reading this manual and familiarize yourself with your earphones before you start using them.

Care and maintenance

  • Do not expose your earphones to impacts, dust, humidity or high temperatures.
  • Do not use neither corrosive nor abrasive cleaning products.
  • Do not dismantle the device. All reparation works are to be carried out exclusively by qualified staff of Energy Sistem Technology, S.A.
  • Avoid pulling and twisting cables to extend the life of your earphones.


General features

  • Sustainable wood body for improved sound performance and a deeper, sharper sound.
  • The hemp cable does not require non-resource-intensive manufacturing like other fabrics such as cotton, polyester or nylon.
  • Pouch to take them along comfortably while avoiding scratches.
  • Press the microphone on the cable to easily answer your calls.
  • They are so light and comfortable that you will be able to use them for hours.

Technical specifications


  • Frequency response: 20 Hz ~ 20 kHz
  • Driver diameter: 10 mm
  • SPL: 110 ± 3 dB (@1 kHz)
  • Maximum power: 5 mW
  • In-ear design
  • Type: dynamic
  • THD: < 1%


  • Length: 120 cm
  • Connector: 3.5 mm mini jack (CTIA standard)


  • Type: in-line microphone
  • Sensitivity: -42 dB ± 3 dB (@1 kHz)

Product content

  • Earphones ECO
  • Pouch
  • Earbud set

General overview

  1. Driver
  2. 3.5 mm jack connector
  3. Controller

Operating instructions

  • Plug your earphones into the source device using the 3.5 mm jack connector (2).
  • Use the in-line Controller (3) to turn the volume up or down, control playback functions or answer calls. All this without touching your mobile phone.

Call control

You can control your calls from your earphones if you plug them into your mobile phone.

Answering a call

Press the Play/Pause button on the Controller (3) once to answer an incoming call.

Ending a call

Press and hold the Play/Pause button on the Controller (3) for about 2 seconds to end a call.

Rejecting a call

Press and hold the Play/Pause button on the Controller (3) for about 2 seconds to reject a call.

*Controls may vary depending on the settings of the source device you are using to play your music.


  • Before using the earphones, turn the volume down and slowly turn it up until you set an appropriate volume level.
  • Avoid noisy environments that force you to turn the volume really high when using your earphones.
  • Listening to loud music over a long period of time may cause your ears to get used to high volume levels, resulting in irreversible hearing loss.
  • Adjust the volume of your earphones to hear important external sounds.


Energy Sistem Technology, S.A. is liable for any lack of conformity for 36 months from the date the goods are purchased. Batteries are excluded from the 36-month warranty, having a warranty period of 24 months.

This warranty covers defects in workmanship or materials and does not cover product failures due to accidents, misuse or alteration made by an unauthorized person.

The extended 36-month warranty is valid for the European Union. For other countries please refer to your specific legislation or your local distributor.

Warranty procedure

Please visit and select your product to view the FAQ (Frequently Asked Questions), user manual, quick guide, drivers and updates available as well as to submit a query to our Technical Support or manage the warranty.

You may also contact the distributor that sold the product by presenting the purchase receipt or invoice.

Important: This warranty does not cover any damage or loss of data stored on warranty products. Therefore, Energy Sistem?s Technical Support will not assume any loss of the above-mentioned information. In this respect we recommend to make a backup of your data and remove any personal data from the product internal memory before you send it or send it only with the original data. Specifications are subject to change without notice.

Trademarks. All company, brand and product names are trademarks or registered trademarks of their respective companies. Specifications are subject to change without notice.

©2020 by Energy Sistem Technology, S.A. All rights reserved.

Declaration of conformity

Issuer's name: Energy Sistem Technology, S.A. - CIF: A53107488
Address: C/ Calpe, 1 - 03509 Finestrat, Alicante (Spain)
Tel: +34 966 830 324

We declare under our sole and exclusive responsibility that the product:

Description: Earphones
Brand: Energy Sistem
Model: Earphones Eco
Manufacturer: Energy Sistem Technology, S.A.
Manufacturing country: China

EN 55032:2015
EN 55035:2017

referred to in this declaration complies with the provisions of the Directive 2014/30/EU (EMC) of the European Parliament and of the Council of 29th March 2014.

Finestrat, 1st February 2020

Javier Álvarez Rodríguez
Innovation and Technology Director