Sony 1000X THE COLLEXION, WF-1000XM6, and LinkBuds Clip headphone bodies and eco-conscious packaging made with recycled plastic materials Sony 1000X THE COLLEXION, WF-1000XM6, and LinkBuds Clip headphone bodies and eco-conscious packaging made with recycled plastic materials

A sound plan with environment in mind

Our headphones are engineered for high-quality design and sound, and also with the environment in mind. Under our Green Management 2030 environmental targets, Sony continues to pursue environmentally conscious development of both products and packaging.
Sony eco headphones hero image featuring 1000X THE COLLEXION, WF-1000XM6, and LinkBuds Clip alongside sustainable raw materials Sony eco headphones hero image featuring 1000X THE COLLEXION, WF-1000XM6, and LinkBuds Clip alongside sustainable raw materials

Development of circular plastics

 Three-step illustration showing Sony's renewable plastic process: [1] biomass-derived feedstocks such as used cooking oil being processed, [2] the material sorted into plastic pellets of varying grades, [3] the final renewable plastic incorporated into a Sony WF-series earphone and charging case

From Used Cooking Oil to Renewable Plastic

Through innovation, we're giving waste materials like used cooking oil a new life as renewable plastic materials. By using these resources instead of relying on fossil fuels, we move closer to more sustainable ways of making products.
To build transparency and trust, we have visualized the renewable plastics supply chain from raw materials to finished products. Working with energy and chemical manufacturers, we are helping to make renewable plastics more reliable and accessible.
[1] Biomass-derived feedstocks (such as used cooking oil)   [2] Processed into plastic materials   [3] Incorporated into products
Five-step illustration showing Sony's recycled ABS plastic process sourced from automobile parts: [1] collecting unpigmented industrial scrap from cars, [2] sorting parts such as emblems and doorknobs, [3] shredding and processing the sorted parts on a conveyor, [4] forming into unpigmented plastic pellets, [5] colouring the pellets to produce finished recycled ABS material

Challenges with recycled materials

Plastic materials for recycling are typically painted or coloured, making them unsuitable for use in decorative parts.
In order to solve this problem, we procure unpigmented industrial scrap from automobile parts, which we precisely sort to colour and use in a wide range of parts.
[1]  Collecting industrial scrap from automobile parts   [2]  Sorting the parts (e.g. emblems, doorknobs)   [3]  Shredding   [4]  Pelletisation   [5]  Colouring

Functions of recycled plastics

Starting with unpigmented pellets minimises the additives required in the colouring process. This enables the use of more than 85% recycled material in our plastics, and up to a remarkable 98% for black materials.

Comparison of unpigmented pellets (left) and pigmented pellets (right) used in Sony's recycled ABS plastic process

Unpigmented pellets (left) and pigmented pellets (right)

Expanding the available range of product colour variation
Pie chart showing recycled ABS content (over 85%) versus additives in Sony's recycled plastic material

Achieving high recycled content

[1] Recycled ABS, more than 85% [2] Additives

Our progress toward sustainability

We have successfully introduced recycled plastics into our new models, including 1000X THE COLLEXION2, LinkBuds Clip2, and WH-1000XM62. From here we are expanding our efforts with WF-1000XM6 by incorporating plastics created from renewable resources, such as cooking oil. In the future, we plan to increase this use of both recycled plastics and renewable plastics throughout our headphone range.
Sony 1000X THE COLLEXION, WF-1000XM6, and LinkBuds Clip, showcasing models incorporating recycled plastic

Sustainable packaging

Our campaign for sustainable packaging includes several new and current initiatives.

Initiatives for new models

Expanding recycling throughout our range

The Green Management 2030 targets include achieving plastic-free packaging for products of 5 kg or less, and reducing non-circular plastic use in products to 30% or less. With each new headphone design from Sony, we are expanding our use of renewable packaging materials, and striving to achieve these goals ahead of the target year.
Infographic showing Sony's plastic-free packaging roadmap toward Green Management 2030 targets, covering WH-1000XM6, WF-1000XM6, and LinkBuds Clip

Sustainable paper materials

We are continually advancing the use of Sony’s proprietary sustainable paper, Original Blended Material, in our headphone model packaging. Original Blended Material is a sustainable paper material, containing materials such as bamboo, sugarcane fibres, and post-consumer recycled paper.
Circle graphic showing recyclable materials such as wood and paper, alongside the Sony WF-1000XM6 earphone case

Building a sustainable legacy 

Sony WF-1000XM4 packaging made with Original Blended Material, composed of bamboo, sugarcane fibres, and post-consumer recycled paper
Since the WF-1000XM4 (2022), we’ve used Original Blended Material for all parts of the packaging except the label
Sony WH-1000XM5 product box using Original Blended Material, featuring the embossed sustainability logo
Since the WH-1000XM5 (2022), our product boxes use Original Blended Material
Overall view of MDR-EX15AP in line with all the colour variations

Existing products are no exception

As part of our wide-ranging renewal efforts, we are changing the outer packaging of existing models from plastic to paper.

The packaging for each model reduces plastic usage by more than 90%.

Illustration comparing plastic usage in showing over 90% reduction

Plastic usage compared

[1] Before renewal  [2] After renewal
MDR-EX15AP packaging before renewal (plastic) and after renewal (paper-based)

Overall views of MDR-EX15AP package

[1] Before renewal  [2] After renewal

Less plastic, for easier recycling

The individual carton design previously used PP (plastic) lamination0 which prevented recycling. This has been replaced with an abrasion-resistant varnish that allows the carton to be recycled1.
Illustration comparing the conventional PP lamination process with the new UV varnish printing technique for recyclable cartons
[1] Process of PP0 lamination of paper surface   [2] Applying UV1 varnish with print technology

Interview

Makoto Kawabata

Sony Corporation,
Home Entertainment & Sound Products Business Group,
Mobile Product Business Division, Mobile Product Mechanical Design Department

Portrait of Makoto Kawabata, Mobile Product Mechanical Design Department, Sony Corporation

Under its Road to Zero environmental plan, the Sony Group aims to minimise resource inputs, and has been pursuing the introduction of recycled materials in its home audio and other products for some time. However, in the case of ABS, the plastic mainly used in headphones, the lack of a recycled material on the market with high quality and a high recycled ratio has slowed the introduction of recycled materials. Therefore, we decided to develop a recycled ABS that is easy to use and has a high recycled content.

In cooperation with partner companies, we have newly developed a recycled ABS that allows a variety of colouring without the addition of virgin plastic by precisely sorting unpigmented ABS scrap material by colour. With LinkBuds, we tried to create a delicate appearance comparable to virgin ABS, which was difficult to achieve with conventional recycled ABS.

We have begun to introduce this recycled ABS in many headphone models. We will continue to take on further challenges in line with the Road to Zero plan.

Mio Nakanishi

Sony Corporation,
Home Entertainment & Sound Products Business Group, 
Mobile Product Business Division, Mobile Product Planning Department

Portrait of Mio Nakanishi, Mobile Product Planning Department, Sony Corporation

Sony is making changes to its headphones, both new models and products already on the market, with the aim of eliminating all plastic from their packaging. To reduce the amount of plastic used in packaging to zero across the board is not an easy task, as it is costly and the role of packaging differs depending on product characteristics, sales conditions, and customers. However, we believe that we were able to create packaging responsive to environmental considerations without compromising on functionality or appeal precisely because Sony has kept environmental considerations in mind from the initial stages of product creation.

The new WH-1000XM5 model introduces Sony's proprietary paper Original Blended Material for the product box, and is the first model to carry the Original Blended Material logo. The design has been changed considerably from the previous WH-1000XM4 model, with the package designed to convey increased consideration for the environment.

We believe that for the cycle of sustainability to be realised, as well as creating products, of course, it’s also necessary to get customers to recycle those products to close the cycle. We will continue, while manufacturing products, to always consider what kind of products are appropriate to make for the planet.