UP TO 36 HOURS BATTERY + RAPID CHARGE - Stay connected with up to 36 hours of battery life (8 hours in the earbuds plus an additional 28 hours in charging case). Rapid Charge gives you 2 hours of listening from a quick 10-minute charge. SWEAT AND WATER RESISTANT - Rated IPX4 with sweat and water resistance, these buds are made to withstand any adventure while blocking out unwanted ambient noise. ADJUSTABLE STAY-AWARE MODE - Hear what’s going on around you without taking your earbuds off. With adjustable levels through the Skullcandy App, you decide how much of the outside world you let in. CUSTOMIZATION IN THE SKULLCANDY APP - Download the app to customize EQs or choose from presets, configure button settings to your liking, and even trigger a photo from your earbud.