JBL Vibe Series Vibe Flex 2

The JBL Vibe Flex 2 delivers fun, bass-heavy sound and decent call quality for $100, but the 6-hour battery life is a real buzzkill. Comfort is also below average, so they're not ideal for long listening sessions. Worth a look for bass lovers on a budget, but most people should shop around.

That 12mm driver does exactly what you'd expect from JBL: it pushes bass forward in a fun, punchy way that makes pop and hip-hop tracks feel alive. Sound quality sits in the middle of the pack, so you're getting a lively, enjoyable profile rather than a reference-grade flat response. The Smart Ambient mode works well enough for quick conversations, though it's not going to rival the transparency mode on premium buds. Call quality is solid, thanks to those four mics, but the real letdown is battery life. Six hours per charge is disappointing, putting these in the bottom 11% of all true wireless earbuds we've tested. The case does bump total playback to a claimed 40 hours, but you'll be reaching for it often.

Stacked against the Soundcore P31i, the JBLs offer a more exciting bass response but fall behind on battery and comfort. The Samsung Galaxy Buds3 Pro and Sony WF-1000XM6 are in a completely different league with top-tier ANC and sound, but they also cost significantly more. The Bose QuietComfort Ultra set the gold standard for comfort and noise cancellation, making the Vibe Flex 2 feel like a budget-conscious compromise. Even the Technics EAH-AZ100 outclasses it on build and overall refinement. The JBLs hold their own on bass and call quality for the price, but they're not punching above their weight class.

For $100, the Vibe Flex 2 gives you a taste of that JBL bass and a few handy features like Smart Ambient, but the value proposition gets shaky when you look at the battery life. Six hours on a charge is rough in 2024, especially when competitors in this range are pushing 8 to 10 hours. You're essentially trading longevity for that punchy sound signature. If you're a casual listener who prioritizes bass and doesn't mind frequent top-ups, it's a fair deal. But if endurance matters, your money goes further elsewhere.

JBL's Vibe Flex 2 earbuds are a straightforward play for anyone who wants big bass without the big price tag. At $100, they pack 12mm drivers and JBL's signature sound into a lightweight, water-resistant design that won't weigh down your pockets or your wallet. The Smart Ambient mode is a nice touch for staying aware of your surroundings, and the four-mic setup handles calls decently well.

But there are trade-offs here, and they're pretty clear once you dig in. The battery life on the buds themselves is a weak 6 hours, which lands near the bottom of our database. Comfort is also a sore spot, scoring well below average. If you're planning on all-day wear or long flights, these might not be the best travel companions.

If battery life is a priority, look elsewhere because 6 hours per charge just doesn't cut it for long workdays or travel. Anyone who needs active noise cancellation for focus or commuting should also pass, as these only offer a transparency mode. And if you have smaller ears or need earbuds you can wear for hours without noticing them, the below-average comfort score here is a dealbreaker.

Grab the JBL Vibe Flex 2 if you want affordable earbuds with exciting bass and a reliable mic for calls. They're best suited for shorter commutes, workouts where you want some ambient awareness, or as a backup pair. Just don't expect them to be your all-day workhorse or your silent sanctuary on a plane. The weak battery and mediocre comfort hold them back from being a true everyday carry for most people.