JBL Under Armour FLASH, Best Running Earbuds, Black

• Right out of the case, you’ll notice how snug and stable these earbuds feel. Crafted with flexible ear wings and multiple silicone tip sizes, they lock into place during dynamic movement, sprinting, or yoga flows. No adjustments are required mid-workout. The fit is so reliable, you can forget about them as you power through. Ideal for high-impact cardio, cross-training, or stretching routines.

​

• The sound performance reflects JBL’s professional audio heritage. These earbuds deliver powerful, immersive sound with deep bass and crisp mids and highs. Perfect for providing motivation during intense training or elevating your mood during recovery sessions. The audio response is responsive yet balanced, supporting fast beats when sprinting and mellow rhythms when cooling down.

​

• With IPX7 waterproof certification, the buds resist sweat, rain, or splashes with ease. Feel confident sweating hard at the gym or braving early morning rain during an outdoor run. This level of protection keeps them functioning no matter the conditions. It’s a workout-proof design that matches your resilience and keeps them working session after session.

​

• The earbuds offer a total of 25 hours of battery life, with around 5 hours per charge in the buds and an additional 20 hours via the charging case. This extended runtime means you can span multiple workouts or an entire travel day without needing to recharge until evening. Quick-charge features give you more time moving and less time tethered to a wall outlet.

​

• Beyond sound and endurance, JBL’s innovative Bionic Hearing technology introduces smart listening into the mix. With TalkThru mode, you can pause your music and speak naturally with a friend or coach without removing your earbuds. This is ideal for quick chats between sets. Ambient Aware mode brings in environmental sounds, letting you stay alert to approaching cyclists, traffic, or gym announcements while keeping your music softly present. This kind of functionality helps serious athletes stay tuned in to their surroundings in real time.

​

• Bluetooth 5.0 ensures seamless pairing and a stable connection, so music and calls stay crisp and uninterrupted, even in crowded signal environments like gyms or urban running routes. Switching between devices such as your phone, tablet, or laptop is smooth and easy, so you can transition from playlist to video call effortlessly.

​

• The built-in noise-cancelling microphone performs exceptionally well during calls. It filters out ambient gym noise and wind, letting your voice stay clear. Whether you’re leading a remote team meeting mid-warmup or making hands-free calls between rounds, you don’t have to slow down or take off the earbuds to be heard.

​

• Weighing in light yet built for durability, these earbuds are a perfect companion for athletes and fitness lovers who crave freedom without compromise. Slip them into your ear, pop the case in your bag, and go. No tangled wires, no added bulk. They’re ideal for training at home, in the park, or while traveling. Designed to be a top contender when compared to other earbuds in the best running earbuds category, they bridge the gap between performance audio and workout convenience.

​

• Whether you’re new to true wireless earbuds or looking to upgrade your workout audio game, the JBL True Wireless Earbuds for Sports deliver everything you need: motivational sound, secure fit, reliable protection, long battery life, and smart environmental awareness. All this while being ridiculously easy to use. Tie your laces, put these buds in, and you’re ready to go.

​

People Also Ask 
 

• Q1: How secure is the fit during intense workouts?
  Ans. The earbuds come with flexible ear wings and silicone tip options so they stay in place during vigorous activity. Many users report zero slippage even during lateral movements or jumping.

​

• Q2: Can I use these earbuds in the rain or while sweating heavily?
  Ans. Yes. With IPX7 waterproof protection, they are built to withstand sweat, rain, or splashes without compromise to performance.

​

• Q3: How long does the battery last? 
  Ans. You get approximately 5 hours of listening per charge, plus another 20 hours from the charging case. That totals around 25 hours of use before needing to recharge.

​

• Q4: What is Bionic Hearing technology and how does it work?
  Ans. Bionic Hearing includes two key features. TalkThru lets you speak without removing the earbuds, and Ambient Aware brings surrounding sounds into your mix so you stay connected to your environment while still listening to your playlist.