If you want a compact in-ear fit with a stated eight hours of listening per charge, choose Beats Studio Buds True; if you need workout-ready water resistance, longer combined playback, and call-focused features, choose JBL Tune Flex. For most workouts, I’d pick the JBL: its IPX4 rating and sweatproof design are practical advantages when exercise gets messy. Beats makes more sense if your priority is a choice between noise cancelling and Transparency mode.
• Beats Studio Buds True: The clearest draw is a compact in-ear design with ANC, Transparency mode, and up to eight hours of listening per charge. Its listed combined playback is up to 24 hours with the case.
• JBL Tune Flex: Its workout-friendly edge is IPX4 water resistance and a sweatproof design, alongside up to 32 hours of combined battery life. With ANC engaged, the stated total is up to 24 hours.
• Beats trade-off: The listed battery total is shorter than JBL’s standard combined-playback figure, and the supplied information does not state a water-resistance rating.
• JBL trade-off: Battery life falls to up to six hours in the earbuds with ANC on, and its Pure Bass focus may not suit someone who wants a less bass-forward sound.
• Who should choose Beats: Pick them if you want ANC and Transparency mode in a compact in-ear package and value the stated eight-hour listening time.
• Who should choose JBL: Pick it if you want exercise-friendly water resistance, more combined playback without ANC, or features designed for calls and quick conversations.
Beats Studio Buds True centers on listening modes and a secure in-ear fit. You can switch between Active Noise Cancelling and Transparency mode, which gives you two different ways to manage outside sound. Three soft eartip sizes are included to help you find a stable fit and an acoustic seal. The sound platform is described as powerful and balanced, a combination that may appeal if you want music to feel full without choosing a product described solely around bass.
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
The stated listening time is up to eight hours per charge, with up to 24 hours combined when you include the pocket-sized charging case. One-touch pairing is available for Apple and Android devices, and Class 1 Bluetooth is specified for extended range and fewer dropouts. Those details make the Beats a reasonable fit for someone who moves between devices or wants to listen through a long stretch of errands, a commute, or a workout session.
I’d skip the Beats if sweat and rain resistance are decisive requirements. The supplied details do not give them a water-resistance rating, so I wouldn’t assume they are suited to wet conditions. They also offer fewer specifically described conversation tools than the JBL, which has multiple microphones and modes for ambient sound and quick chats.
JBL Tune Flex is the more clearly workout-minded option on paper. It has an IPX4 water-resistance rating and is described as sweatproof, useful details for exercise or a walk in unsettled weather. Its ambient features also make it easier to choose between reducing distractions and staying more aware of nearby sounds. TalkThru is designed for brief conversations without removing the earbuds.
Battery life is a major part of its case. JBL lists up to 32 hours combined with the charging case under its standard figure, or up to 24 hours combined with ANC engaged. The earbuds themselves are listed for up to eight hours without ANC and up to six with it. A 10-minute Speed Charge is stated to provide two hours of playtime, a handy option when you realize the case needs a quick top-up before heading out.
The Tune Flex also has four microphones, stereo calling, and VoiceAware, which lets you adjust how much of your own voice is fed back into the earbuds. JBL describes the sound as Pure Bass, so I’d consider it if you want a bass-focused presentation. One caveat: while the supplied details list three eartip sizes, they do not establish that this fit will suit every ear or stay secure during every kind of movement. If fit is your main concern, eartip options are useful, but they aren’t a guarantee.
Side-by-Side: Which Should You Choose?
• Best for a workout in sweaty or rainy conditions → JBL Tune Flex. Its IPX4 water-resistance rating and sweatproof design are the strongest exercise-specific facts in this comparison.
• Best if you expect to use ANC often → Neither wins on battery alone. JBL lists up to six hours in the earbuds and 24 hours combined with ANC; Beats lists up to eight hours of listening per charge, but its product details do not provide an ANC-specific battery figure.
• Best for choosing between noise reduction and hearing more around you → Both. Beats has ANC and Transparency mode; JBL offers ANC, Ambient Aware, and TalkThru for different listening situations.
• Best for frequent calls → JBL Tune Flex. Its four microphones and VoiceAware give it a more detailed call feature set in the listed information.
• Best for a stated balanced-sound approach → Beats Studio Buds True. Beats describes its acoustic platform as powerful and balanced; JBL emphasizes Pure Bass.
• Best for switching between Apple and Android devices → Beats Studio Buds True. One-touch pairing for both platforms is specifically listed.
• Best for quick charging before heading out → JBL Tune Flex. Its 10-minute Speed Charge is stated to add two hours of playtime.
A couple of search terms can lead buyers down the wrong path. Neither of these is an over-ear model, so someone asking for the best on ear headphones for workout is looking in a different category. Likewise, the Tune Flex listing includes an adult-and-kid age range, but that alone doesn’t establish that it is the best kids headset for workout; fit and supervision still matter. And while these are earbuds rather than open-ear designs, JBL’s Ambient Aware offers a way to let more surrounding sound in. It is not the same as shopping for the best open ear earbuds for workout.
My Verdict
JBL has the clearer workout-specific edge: it is listed as IPX4 water-resistant and sweatproof. Beats offers ANC and Transparency mode, but the supplied details do not state a water-resistance rating.
JBL lists up to 32 hours combined with its case, or up to 24 hours with ANC engaged. Beats lists up to 24 hours combined with its case and up to eight hours of listening time per charge.
Both list Active Noise Cancelling, but the supplied details do not provide comparable measurements of how much noise either blocks. JBL also lists Ambient Aware and TalkThru; Beats offers Transparency mode.
Yes. Check the current price on Amazon using the page’s button, then weigh it against the features you’ll actually use. The product information here doesn’t establish which one offers better value at a particular price.
• Xmenha Sport Neck Headphones vs Piluyaa Clip-on Earbuds
• 1MORE HQ20 vs Wentronic Kids Headphones: 40mm Driver
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.