Built to keep up with every workout, the JBL Endurance Peak 4 delivers powerful wireless sound, a secure sport fit, and rugged durability for training indoors or out. With Adaptive Noise Cancelling, Smart Ambient, up to 48 hours of total playback, and an included protective hard-shell case, this bundle is ready for runs, gym sessions, and everyday travel. Key Features Adaptive Noise Cancelling with Smart Ambient: Four noise-sensing mics help reduce distractions and improve audio quality, while Smart Ambient lets you stay aware of your surroundings and chat without removing the earbuds. Up to 48 hours total playback: Long-lasting battery life helps power extended workouts, busy commutes, and days on the go. IP68 water and dust proof: Designed to handle sweat, rain, salt water, and sand, with rugged protection for active use in challenging conditions. Secure TwistLock fit: JBL OvalTubes with TwistLock design and a liquid silicone ear hook with memory wire provide a stable, comfortable fit that stays put during movement. JBL Pure Bass with Spatial Sound: A 10mm dynamic driver delivers rich stereo sound with deep bass for an immersive listening experience. Personalized sound control: Use Personi-fi 3.0 and the JBL Headphones app to tailor audio and earbud settings to your preferences. Clear calls on the move: Built-in microphones help keep calls sounding clear, even in windy conditions. Protective travel case included: The bundle includes a weather-resistant hard-shell earbud case with soft lining, mesh pocket, elastic strap, zipper closure, and carabiner clip for convenient storage and transport. Whether you're pushing through intense training or heading out for the day, the JBL Endurance Peak 4 combines comfort, durability, and powerful sound in a sport-ready true wireless bundle. | Jbl | | Endurance Peak 4 Wireless Sport Earbuds with Case | White | Best Buy