Best-in-class battery life Break free with the JLab Epic Bluetooth Earbuds, our sleekest, lightest, longest-lasting wireless earbuds ever. With best-in-class 10-hour battery life, you'll have nothing holding you back. Best-in-Class Playtime With up to 10 hours of mind blowing sound between charges, Epic Bluetooth Earbuds have 60% more battery capacity than competitors. You can get a week's worth of workouts, almost three marathons or a round trip flight from Seattle to Miami. Talk about stamina. Plus the battery indicator on your smartphone will ensure you know how long you have. Revolutionary Fit JLab's proprietary Memory Wire - in wire ear hook, cable mini-clips and six gel tip sizes combine to give you a perfect for - that is distinguishably yours. The Memory Wire shapes around your ear for a comfortable, secure fit, while the mini cable management clips can gather any unneeded wires off your neck. Hook it up! Radical Sound:C3 (Crystal Clear Clarity) technology delivers a clean, crisp, immersive sound with vibrant highs, mids and a pumping bass through pristine high performance 8mm drivers, which are up to 50% larger than the competition. Lightweight Ergonomic Design Weighing only 17-18 grams, the EPIC Bluetooth Earbuds are so sleek you'll forget you have them on. The earbud housing maximizes natural comfort with a 45-degree cord-to-earbud-angle that ergonomically fits ears. Unlike others, there are no chunky devices sticking out of your ears - just the sleekest, lightest Bluetooth in-ear earbuds ever. Bluetooth 4.0:Free yourself from cumbersome cables with the magic of Bluetooth 4.0 with aptX Technology, providing amazing audio quality wirelessly. Make calls or listen to music from up to 30ft away. Its wireless at its best. Fitness proof Blood. Sweat. Tears. And whatever else you can dish out. The JLab EPIC Bluetooth Earbuds are 100 percent splash-proof, sweat-proof and washable with an IPX4 rating. Just finished a run? Wash off your buds for your next round.