If you want long battery life and an on-ear headset, choose SONY Headphones WH-CH510; if you need compact, sweat-resistant earbuds, choose Sudio A3. For running, I’d lean toward Sudio’s in-ear fit and IPX4 resistance, while Sony is the stronger pick for longer listening between charges.
SONY Headphones WH-CH510 vs Sudio A3 at a Glance
• Sony’s biggest strength: Up to 35 hours of playback and a 30 mm dynamic driver. Trade-off: Its on-ear design is less compact than earbuds and has no stated sweat-resistance rating.
• Sudio’s biggest strength: In-ear fit, IPX4 sweat and splash resistance, and active noise cancellation. Trade-off: Up to 25 hours includes the charging case; the earbuds themselves provide up to five hours per charge.
• Sony is for: Someone who wants a straightforward on-ear headset for long listening sessions, calls, and travel.
• Sudio is for: Someone who wants small earbuds for daily carry, device switching, and workouts where sweat resistance matters.
• For running: Sudio is the more practical design on paper; neither product’s listed features establish a secure fit for every runner.
The WH-CH510 is an on-ear Bluetooth headset built around long listening time and simple everyday use. Sony specifies up to 35 hours of playback, a 30 mm dynamic driver, and a built-in microphone for hands-free calls. Its earcups swivel flat, which can make it easier to pack than a headset with fixed earcups.
It makes sense for someone who listens for hours at a desk, on a commute, or while moving between home and work. Bluetooth pairing supports a smartphone or tablet, and the headset can also access a phone’s voice assistant. Its listed effective range is approximately 30 feet, or 10 meters, in line of sight.
How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-17 · 6 min read · Independent comparison
For running, I would be cautious about choosing an on-ear design as a workout-specific pick. The listed specs do not include a sweat-resistance rating, and Sony does not provide a running-specific fit claim here. The product information mentions noise cancellation, but it does not give a cancellation level or describe a transparency mode. If your priority is an explicitly sweat-resistant in-ear option, Sudio has the clearer match.
The Sudio A3 Pro is an in-ear earbud set with active noise cancellation, a compact charging case, and Bluetooth 5.4 multipoint. Multipoint lets it connect to two devices at once, such as a phone and laptop, so it may suit someone who alternates between calls and other audio throughout the day. The listed ANC specification is 18 dB.
For workouts, the standout practical detail is IPX4 sweat and splash resistance. That makes Sudio the more suitable of these two for someone who wants earbuds for a run or gym session, though the listed information does not promise that they will stay secure in every ear during movement. The earbuds provide up to five hours per charge, with up to 25 hours total when the case is included.
The trade-off is that Sudio’s total playback figure is lower than Sony’s, and it depends on bringing the case for extra listening time. Its call microphones are described as designed for clear voice pickup, but the sheet gives no call-time or noise-performance measurements. The recycled-plastic detail—20% of the materials—may also matter to buyers who consider material choices, while the product’s pink color is a specific style choice rather than a neutral option.
• Best for longer playback between charges → SONY Headphones WH-CH510. Its stated maximum is up to 35 hours, compared with up to five hours per Sudio earbud charge.
• Best for workouts where sweat resistance matters → Sudio A3. It has an IPX4 rating; Sony’s listed information does not specify sweat resistance.
• Best for an on-ear fit → SONY Headphones WH-CH510. Choose it if you prefer headphones that sit on the ears rather than in them.
• Best for a compact earbud setup → Sudio A3. The in-ear buds and charging case are the more compact-style option described here.
• Best for switching between two devices → Sudio A3. Its Bluetooth 5.4 multipoint connection supports two devices at once.
• Best for calls and voice-assistant access from an on-ear headset → SONY Headphones WH-CH510. It has a built-in microphone and voice-assistant compatibility.
• Best for active noise cancellation with a stated level → Sudio A3. Its specification lists 18 dB ANC; Sony lists noise cancellation but no comparable level.
• Best for travel-friendly earcup storage → SONY Headphones WH-CH510. The earcups swivel flat, making the headset easier to pack than a fixed-earcup design.
If you are searching for the best open ear headphones for running, neither is open-ear: Sony sits on the ear, while Sudio fits inside it. If you mean the best noise cancelling headphones for running, remember that noise reduction can make it harder to hear your surroundings. Sudio lists ANC, but that feature alone does not make either option the right choice for every route.
For someone looking for the best bluetooth headset for running, the deciding details here are fit and sweat resistance, not Bluetooth version alone. Sudio has the stronger workout-oriented specification; Sony’s longer battery life is more compelling for listening beyond a single run.
I’d choose the Sudio A3 for running because its in-ear design and IPX4 sweat and splash resistance make it the more workout-focused option on paper. Its multipoint connection is useful outside workouts, too. I’d pick Sony instead if longer playback and an on-ear fit matter more than a compact, sweat-resistant design. My recommendation for running is Sudio, with the caveat that listed specs cannot guarantee a secure fit for every runner.
Sudio is the more suitable running option based on the listed design: it is in-ear and has an IPX4 sweat and splash resistance rating. The Sony is on-ear, and its listed specifications do not state a sweat-resistance rating.
Sony lists up to 35 hours of playback. Sudio lists up to five hours per charge and up to 25 hours total with the case, so its total figure depends on recharging from the case.
The product specifications list active noise cancellation, but do not state a cancellation level. Sudio lists active noise cancellation at 18 dB, so the two listings do not provide directly equivalent measurements.
Yes. Sudio lists Bluetooth 5.4 multipoint connection for two devices, which can be useful when moving between a phone, laptop, or tablet. Sony’s listed information describes Bluetooth pairing with a smartphone or tablet but does not specify multipoint.
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