Sony LinkBuds Open WFL910/B

The 11mm ring-shaped driver and Processor V2 deliver balanced, open audio while the 22-hour total battery life keeps you aware of your environment. A 5-gram per earbud build with adaptive volume control and a 3-minute quick charge for 1 hour of playback adds daily convenience. These earbuds are best for commuters and office workers who need constant situational awareness, though call clarity is weak.

★★★☆☆ 2.5 (12)
form factor in-ear
driver type dynamic
wireless true
active noise cancellation false
bluetooth version 5.3
battery life hours 8
case battery hours 22
water resistance IPX4
Sony LinkBuds Open WFL910/B earbuds
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Informazioni su questo Earbuds

Experience balanced sound, all-day comfort, and seamless spatial awareness with the black LinkBuds Open from Sony, true wireless earbuds with unique open 11mm ring-shaped drivers for keeping you grounded in your environment. With adaptive volume control and advanced DSP during calls, you can enjoy crystal-clear sound anywhere for up to 22 hours.

  • For Commutes, Offices, and Everyday Use
  • Soft and Ergonomic Shape
  • 11mm Ring-Shaped Driver
  • Open Ring Keeps You Aware of Environment

The 30-Second Version

Sony's LinkBuds Open are the most comfortable open-ear earbuds we've tested, pouring clear sound into your ears while letting the world in. Just don't expect booming bass or crisp phone calls.

Overview

The Sony LinkBuds Open are the earbuds for people who hate earbuds. Instead of jamming a silicone tip into your ear canal, they use an open ring driver that lets air and ambient sound flow right through, so you stay completely aware of your surroundings. They're featherlight, ridiculously comfortable for all-day wear, and deliver a surprisingly clear, open soundstage. The trade-off? There's no thumping bass to be found here, and call quality is a letdown. But if situational awareness and fatigue-free listening top your list, these things are a revelation.

Performance

What caught us off guard was how well the sound holds up despite the open design. Mids and highs come through crisp and detailed, way above what we expected from earbuds that literally have a hole in the driver. Comfort is best-in-class, with a 93rd percentile ranking in our database, meaning they're among the most comfortable true wireless buds we've ever tested. Battery life is solid at around 8 hours with a quick three-minute burst adding an hour. But the mic performance is a real weak spot, landing in the bottom third, and calls in noisy places sound muffled with ambient noise bleeding in. It's a bizarre gap for buds that prioritize awareness.

Performance Percentiles

Anc 61.6
Mic 36.3
Build 78.9
Sound 92.5
Battery 72.5
Comfort 93.4
Connectivity 84.7
Social Proof 43.2

Pros & Cons

Pros

  • Incredibly lightweight and comfortable for hours 93th
  • Clear, detailed mids and highs with an airy soundstage 93th
  • Unmatched environmental awareness keeps you safe 85th
  • Nifty smart features like adaptive volume and head gestures 79th

Cons

  • Weak bass ruins thumpy tracks
  • Fit gets loose during workouts
  • No active noise cancellation whatsoever
  • Microphone quality is disappointing on calls

The Word on the Street

3.5/5 (794 reviews)
👍 All-day comfort is the real star—owner after owner says these are the only buds they can wear for hours without fatigue.
👎 The lack of bass is a dealbreaker for many, and switching from standard earbuds feels like losing half the music.
🤔 Fit security splits the crowd: brilliant for desk work, but several runners and gym-goers report them slipping out mid-stride.

Specifications

Full Specifications

Design

Form Factor in-ear
Wearing Style true wireless
Ear Tips Extra small, Small, Medium, Large
Weight 0.0 kg / 0.0 lbs

Audio

Driver Type dynamic
Driver Size 11
Drivers 1
Freq Min 20
Freq Max 20000
Impedance 16
Hi-Res Audio Yes
Codecs AAC, LC3, SBC
Surround 7.1 Virtual Surround

Noise Control

ANC No
Transparency Yes

Connectivity

Wireless Yes
Bluetooth 5.3
Profiles A2DP, AVRCP, HFP
Multipoint No
Range 10

Earbud Battery

Battery Life 8
Charge Time 2.5
Fast Charging 3-minute quick charge gives you up to 60 minutes of play time
Charging USB-C

Case Battery

Case Battery 22
Case Charging USB-C
Wireless Charging No

Microphone

Microphone Yes
NC Mic No

Features

Voice Assistant Amazon Alexa, Google Assistant
Touch Controls Yes
App Sony | Sound Connect
Volume Limiting No
Bone Conduction No
Water Resistance IPX4

Value & Pricing

At around $250, the LinkBuds Open sit in premium territory without delivering premium bass or call performance. You're paying for a unique open-ear comfort that no one else really nails, and if that's your top priority, it's worth every cent. But if you want a more well-rounded experience with killer sound isolation and better mics, there are stronger options at this price.

vs Competition

The Technics EAH-AZ100-K and Bose QuietComfort Ultra are the obvious rivals if you want ANC and wall-shaking bass, but they'll block out the world. The Samsung Galaxy Buds3 Pro offer a semi-open fit with decent transparency and much better call quality. The Sony's magic is staying weightless and open without sounding tinny, a trick neither of those can match. For pure awareness and comfort, the LinkBuds Open are the only game in town, but the Galaxy Buds3 Pro are the smarter all-rounder if you need reliable hands-free calls.

Spec Sony LinkBuds Open WFL910/B Technics Reference Class EAH-AZ100-K Bose QuietComfort Ultra 896637-0010 Sennheiser MOMENTUM True Wireless 4 Samsung Galaxy Buds3 Pro SM-R630NZAAXAR EarFun Air Pro Air Pro 4+
Form Factor in-ear in-ear in-ear in-ear in-ear in-ear
Driver Type dynamic Planar Magnetic Dynamic dynamic Dynamic hybrid
Wireless true true true true true true
Active Noise Cancellation false true true true true true
Bluetooth Version 5.3 5.3 5.3 5.4 5.4 6.0
Battery Life Hours 8 10 6 30 6 12
Case Battery Hours 22 28 18 30 26 54
Water Resistance IPX4 IPX4 IPX4 IP54 IP57 IP55
Multipoint false true true true true true
Compare Compare Compare Compare Compare
Product AncMicBuildSoundBatteryComfortConnectivitySocial Proof
Sony LinkBuds Open WFL910/B 61.636.378.992.572.593.484.743.2
Technics Reference Class EAH-AZ100-K Compare 96.596.878.996.582.670.499.189.4
Bose QuietComfort Ultra 896637-0010 Compare 96.590.378.996.447.293.497.896.9
Sennheiser MOMENTUM True Wireless 4 Compare 96.599.733.391.997.793.489.989.4
Samsung Galaxy Buds3 Pro SM-R630NZAAXAR Compare 96.596.898.989.97393.497.889.4
EarFun Air Pro Air Pro 4+ Compare 96.596.891.399.896.370.499.380.2

Common Questions

Q: Do these have noise cancelling?

Nope. They're designed to let sound in, not block it out. That's the whole point — you hear cars, conversations, and announcements clearly.

Q: Can I use them for working out?

They're IPX4 sweat-resistant, so a light jog or gym session is fine. But the fit isn't locked down enough for intense HIIT or running, and they can wiggle loose.

Q: How's the call quality?

Pretty rough in noisy environments. In a quiet room they work okay, but outdoors or in a busy cafe your voice gets muddy and background noise sneaks in. Definitely not ideal for important calls.

Who Should Skip This

If you want deep, punchy bass or take a lot of phone calls, this isn't it. Grab the Bose QuietComfort Ultra or Samsung Galaxy Buds3 Pro instead. Those'll give you proper ANC, richer sound, and vastly better microphones.

Verdict

The Sony LinkBuds Open are a love letter to anyone who finds traditional in-ear buds uncomfortable or isolating. They sound cleaner than they have any right to, and the all-day comfort is a genuine game-changer for desk jockeys and urban commuters. Just know you're giving up bass, call quality, and noise cancellation to get that open-air freedom. If that trade-off makes sense, buy them without hesitation; if not, look at the Samsung Galaxy Buds3 Pro instead.

Usage Scores

Calls (56.7)Music (74.2)Overall (74.6)Budget (76.6)Gaming (64.7)Travel (64.8)Commute (62.2)Fitness (72.5)

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