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(Pocket-lint) - Since the advent of stable, low latency Bluetooth we've seen multiple form factors when it comes to headphones and, specifically, earbuds. There have been neckbands and true wireless earpieces of all shapes and sizes. However, they all share something in common: they are each designed to block the outside world to present the best isolation with which to enjoy your music.

Not so the Sony LinkBuds. These are primarily designed to let external noises in; for the wearer to be constantly aware of their surroundings. They are anti-active noise cancelling (ANC) earbuds, if you like, offering the opposite to others on the market, such as the Sony WF-1000XM4 earphones, by leaving a gaping hole where a traditional bud would plug into your ear.

Beyond the initial "eh?" reaction we've warmed to the idea of LinkBuds. In fact, having tested them for a period, we even found ourselves fond of the concept.

Our quick take

There's no doubt the Sony LinkBuds are somewhat odd - earphones designed to let the outside world's sounds in - and will undoubtedly prove to be a niche product, but after testing them in different circumstances we understand where the manufacturer is coming from.

Yes, other true wireless earbuds often offer the ability to make the sound experience transparent - i.e. to let ambient noise in - but we've never found it comfortable to have a conversation with them still in our ears. Indeed, comfort is the operative word as the LinkBuds are easily among the most pleasant to wear that we've tried.

In fact, we've forgotten they were in at times, having worn them when recording a lengthy podcast. Which is exactly their point: designed to be worn even when not engaged, to always be available for that moment you make a video call or want to listen to music while you work or work out. And, in that, they make perfect sense - with a performance and feature set to match.

Just don't expect them to match that performance when commuting or travelling, especially if you plan to catch-up on a Netflix show during. You are far better looking at conventional earbuds and ANC-equipped models if that's the case.

Sony LinkBuds review: A different kind of earbuds for a new generation

Sony LinkBuds

4.0 stars
For
  • Interesting new concept
  • Extremely light and comfortable
  • Music playback is decent
  • Packed with interesting features including adaptive volume control
  • Great for video calling
Against
  • Open ring driver design means the outside world is always audible
  • Struggle to hear video dialogue when in a noisy environment

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Design and comfort

  • Weight: 4.1g per earbud, 34g case
  • 5 fitting supporters in box
  • IPX4 certified

Part of the reason is that they seem perfectly suited to the new form of working in which many of us have found ourselves.

Pocket-lintSony LinkBuds review photo 7

The LinkBuds are extremely light and comfortable in the ear, so capable of being worn for long periods. You can just leave them in your ears as you go about your daily business, which is ideal for hybrid or home working, running or any other activity where you need to hear the world around you.

The comfort comes because they do not have an eartip like conventional buds. Audio comes via an open driver design, with minute holes around a ring that project sound into your ear just by being placed in the inner lobe. A small silicone "fitting supporter" nestles in the top part of the ear to keep each bud in, but that's as intrusive as it gets.

There are multiple supporter sizes in the box, so you can chop and change to find the best that fits you. We found a combination of two sizes (a different one for each ear) worked best for us. It meant the LinkBuds stayed in our ears at all times, including when walking, light jogging or even rapid head shaking (not a sport, but always a good test).

Each earbud weighs just a fraction over 4 grammes, so you barely even notice they are in. They are also made from matte plastic derived from old car parts (far more comfortable than that description may suggest) so are as environmentally responsible as they are practical. Both are IPX4 rated for water, sweat and dust proofing.\

Pocket-lintSony LinkBuds review photo 10

As well as the open ring driver, each LinkBud sports a wearing sensor and battery charge point. The charging case is equally small and neat - considerably smaller than most we've seen to date - and also made from the same recycled materials.

Setup, controls and features

  • Spotify Tap-enabled
  • Adaptive volume control
  • Google Fast Pair, Microsoft Swift Pair support
  • Google Assistant, Amazon Alexa via wake words
  • Works with Sony Headphones app for iOS and Android

As with Sony's other true wireless headphones, setting up the LinkBuds is simple.

They support Google's Fast Pair and Microsoft's Swift Pair technologies, to easily pair to Android devices and Windows PCs respectively. We had no trouble recognising them on an iPhone 13 Pro Max too.

Pocket-lintSony LinkBuds review photo 13

The Sony Headphones app then takes over the hard work, first analysing your ear shape and optimising the experience for 360 Reality Audio tracks provided by several different providers.

The app also updates the firmware, if needed, and presents several different features, including an equaliser (EQ), the ability to switch the Bluetooth connection between prioritising stability or sound quality. There is also a slider for DSEE, Sony's proprietary upscaling technology that makes lesser bitrate tracks sound better. Some might prefer cleaner, untouched audio, but we have to say that DSEE improves the output for us.

Other options in the app include adaptive volume control. Although there is no adaptive or active noise cancellation, if you engage automatic volume control the volume will raise and lower depending on the ambient noise around you. Music will get significantly louder if you are on a busy train or concourse, for example, then soften again when the outside world is quieter.

You can also turn on "wide area tap", which will allow you to tap your cheek near each bud (rather than the bud itself) to activate different user-set controls. Otherwise, they are so tiny that it can get quite fiddly.

One last feature to mention is "speak-to-chat". This will pause music or audio playback when you talk. It starts again after the conversation is finished. Again, this can be turned on or off.

Pocket-lintSony LinkBuds review photo 5

As we've mentioned above, the LinkBuds have a wear sensor that will stop playback when you remove them. We often find with earbuds that it's best to turn this functionality off, as movement can shift them fractionally in our ears and we experience stutter. The same is true here. It might not be the case for everyone as it depends mainly on ear shape, but it's good to have the option anyway.

Google Assistant and Alexa are supported through their respective wake words, with Siri also available when assigned to a tap, and the buds are Spotify Tap-enabled too.

Sound performance and battery

  • Battery life: 5.5-hours in earbuds, 12-hours extra in charging case
  • Fast charge: 10 minutes charge for 1 hour playback
  • 12mm open ring driver
  • Sony integrated processor V1
  • DSEE (Digital Sound Enhancement Engine)

As the charging case is more compact than most, it does come with a smaller battery. The earbuds carry up to a claimed 5.5-hours of use with a further 12-hours in the case. We've only fully charged the case the one time during testing and the manufacturer battery times, based on our week of on-off use, appears likely.

Pocket-lintSony LinkBuds review photo 4

The sound performance will likely be more divisive though.

Each bud incorporates a 12mm open ring driver which provides very decent music playback when the outside world is largely quiet. In fact, thanks to the design and lack of ANC processing, we'd argue that the LinkBuds provide a lovely tone to tracks at mid-to-high volumes. Open-backed headphones have often been preferred by audiophiles, after all.

Liam Gallagher's acoustic version of Stand By Me offers decent spacing and clarity, while the bassier notes of Future Island's For Sure resonate in your ear canals as they should. Perhaps even more impressively, every breath of Billie Eilish's vocal performance on No Time To Die is clear and precise.

Where things get a little wobbly is when you're trying to watch video on a mobile device when travelling.

We tested the earbuds in the back of a long taxi ride and on a London Tube train and, even at high volumes, struggled to hear dialogue over the hum of traffic or train tracks. Music punched through just fine - not as well as ANC equivalents, but sounded good enough - it was just the subtleties that got a little murky, which affected video watching more.

Pocket-lintSony LinkBuds review photo 9

Home working is a different kettle of fish, of course. It's unlikely you'll have a Northern Line tube train rattling through your home office space. And so, for Zoom conversations, we found the LinkBuds to be perfect. The microphones are backed up by some clever AI algorithms too, so your voice comes through crystal clear.

It's important to hear the doorbell ringing, kids screaming and any other household distractions you need to engage with too. This is perhaps where the LinkBuds shine the most and what ultimately convinced us of their worth.

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To recap

An oddity in the earphones world, the LinkBuds are specifically designed to let the outside world in as you listen to music or make a video call. And for that, they are perfectly suited, coming with an open ring driver design that avoids anything actually going into your ear canal. With that in mind, the sound performance is surprisingly good and the comfort is unparalleled. Just don't expect to be able to watch video on your mobile on a packed train.

Writing by Rik Henderson.