If you want long battery life and on-ear headphones, choose JBL Tune 520BT; if you need compact, sweat-resistant earbuds for running, choose Skullcandy Dime 3. The decisive difference is the form: JBL gives you up to 57 hours of listening, while Skullcandy puts a true wireless pair in a small case with an IPX4 rating. For running, I’d lean toward the Dime 3’s in-ear design and sweat resistance, but the JBL is the stronger fit for long listening stretches and fewer charging stops.
JBL Tune 520BT vs Skullcandy Dime 3 at a Glance
• Skullcandy Dime 3: Compact true wireless earbuds with an IPX4 sweat- and water-resistance rating, three EQ presets, and up to 20 hours of combined battery life. The trade-off: the earbuds themselves provide up to 8 hours before they need the case.
• Choose JBL Tune 520BT if long battery life, on-ear controls, and app-based sound adjustment matter most.
• Choose Skullcandy Dime 3 if you want a pocket-friendly in-ear pair with sweat resistance and a case that adds listening time.
The Tune 520BT is an on-ear wireless headphone, not an in-ear running earbud. Its strongest practical point is battery life: JBL lists up to 57 hours, with a full recharge taking about two hours over USB-C. If you forget to charge before a commute or a long day, a five-minute charge is listed as enough for three additional hours of music. That makes the JBL a sensible choice for someone who wants to charge less often and listen for long stretches.
JBL’s Pure Bass sound is part of the appeal if you like a bass-forward presentation. You can also adjust the sound through the JBL Headphones app’s EQ rather than being limited to one preset. Bluetooth 5.3 handles the wireless connection, and buttons on the ear cups control playback and calls. Voice Aware lets you hear your own voice while talking, which may be useful for hands-free calls when you don’t want to feel completely cut off from how you sound.
The flat-folding design is handy for packing the headphones in a backpack, though it is a different kind of portability from small earbuds you can tuck into a pocket. The on-ear fit also means the ear cups rest on your ears rather than sealing inside them. The product information lists no noise control, so don’t choose this model expecting active noise cancellation or noise-isolating earbuds. If your priority is running with a compact, sweat-resistant pair, the Dime 3 is the more relevant option.
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-22 · 8 min read · Independent comparison
Who should skip it: Skip the Tune 520BT if you specifically want true wireless earbuds, an IPX4 rating, or listed noise isolation for your running routine.
The Dime 3 is the better match for someone who wants earbuds that are easy to carry and designed for use on the move. The compact case has an integrated strap, and the earbuds are rated IPX4 for sweat and water resistance. Those details make them more practical than the JBL on-ear headphones for a run where you want a small setup and some resistance to sweat. IPX4 is a resistance rating, not a promise that the earbuds can be submerged, so it’s still wise to keep them away from conditions beyond that rating.
Battery life works differently here. Skullcandy lists up to eight hours in the earbuds, plus another 12 hours from the charging case, for up to 20 hours in total. A ten-minute rapid charge is listed to provide up to two hours of listening. That setup suits someone who is comfortable returning the earbuds to their case between listening sessions. It does not match the JBL’s up-to-57-hour figure for uninterrupted listening without relying on a case.
Three built-in EQ modes—Music, Bass Boost, and Podcast—give you quick sound choices without relying on the JBL app’s custom EQ. The Bass Boost setting could appeal to someone searching for extra bass gaming headphones for running, but the Dime 3 is an earbud product, not a headphone designed specifically for gaming. Its listed controls are touch-based, and its noise control is sound isolation. That is different from active noise cancellation, and the sheet does not promise a noise-cancelling mode. Tile finding technology is another useful feature if you misplace the earbuds, provided you register the product in the Tile app.
Who should skip it: Skip the Dime 3 if you need the longest listed battery life in one device or want on-ear headphones with app-based EQ adjustment.
• Best for the longest listed battery life → JBL Tune 520BT. Its up-to-57-hour battery figure is substantially longer than the Dime 3’s up-to-20-hour total, which includes the case.
• Best for running → Skullcandy Dime 3. Its in-ear form and IPX4 sweat- and water-resistance rating make it the more suitable option for a run. Neither product sheet specifies a running fit test, so fit comfort will still depend on the person.
• Best for a quick top-up → It depends on how you use them. JBL lists five minutes of charging for three hours of music; Skullcandy lists ten minutes for two hours. Those are different charging intervals, so consider the amount of listening each offers.
• Best for adjustable sound → JBL Tune 520BT. The JBL Headphones app offers EQ adjustment. The Dime 3 instead gives you three preset modes.
• Best for pocket-friendly carry → Skullcandy Dime 3. Its small case and integrated strap are designed for easy carrying. The JBL folds flat, which may suit a backpack better than a pocket.
• Best if you want a bass preset → Skullcandy Dime 3. Bass Boost is one of its three EQ options. JBL lists Pure Bass sound and app EQ, but not a named Bass Boost preset.
• Best for hands-free calls → JBL Tune 520BT. It has ear-cup call controls and Voice Aware. The Dime 3 includes microphones, but those features don’t make either pair a substitute for a dedicated call headset.
• Best if you want help locating a misplaced pair → Skullcandy Dime 3. Its Tile finding technology can help locate the earbuds after product registration in the Tile app.
Think first about how you’ll wear the product, not just how long its battery lasts. The JBL sits on the ears and folds flat. The Dime 3 fits in the ears and comes with a compact case and integrated strap. For running, that distinction matters: the Dime 3 is the more purpose-matched design, while the JBL’s headline advantage is long listening time rather than a listed sports feature.
Also separate isolation from cancellation. The Dime 3 lists sound isolation, which comes from the in-ear fit; the JBL lists no noise control. Neither sheet identifies active noise cancellation. So if your search includes noise cancelling gaming headphones for running, neither product should be assumed to provide that feature based on the available specifications. And while the Dime 3’s Bass Boost setting may suit bass-heavy listening, its features do not establish a specific gaming-performance advantage.
Finally, compare the battery figures in the way you actually listen. JBL’s up-to-57-hour claim is for the headphones. Skullcandy’s up-to-20-hour total combines eight hours from the earbuds with 12 hours from the case. If you use earbuds in separate sessions and carry the case, that total may be convenient. If you want longer stretches before recharging the listening device, JBL has the clearer advantage. For any purchase, check the current price on Amazon using the page’s button rather than relying on an old figure.
In my opinion, I’d choose the Skullcandy Dime 3 for running because its in-ear design, IPX4 rating, and compact case better match an active routine. It also gives you a Bass Boost preset and Tile finding technology. I’d choose the JBL Tune 520BT instead for long listening sessions, app-based EQ, and up to 57 hours of battery life. My pick for the stated running use case is the Dime 3, not because it has longer battery life, but because its listed design features suit that use better.
Yes. The Dime 3 is a true wireless in-ear model with an IPX4 sweat- and water-resistance rating, making it the more running-oriented of these two products. The listed specs do not guarantee that every wearer will get a secure fit while running.
The JBL product information lists no noise control, so it should not be treated as an active noise-cancelling model. The Dime 3 lists sound isolation from its in-ear fit, which is not the same as active noise cancellation.
Which has more battery life, JBL Tune 520BT or Skullcandy Dime 3?
JBL lists up to 57 hours for the Tune 520BT. Skullcandy lists up to 20 hours for the Dime 3, made up of up to eight hours in the earbuds and 12 additional hours in the case.
The Dime 3 has a specific Bass Boost EQ preset, while the JBL Tune 520BT has JBL Pure Bass sound and an app for adjusting EQ. Choose the Dime 3 for a simple preset or the JBL if you’d rather customize the sound in its app.
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