UP TO 42 HOURS BATTERY + RAPID CHARGE. Stay connected with up to 42 hours of battery life (9 hours in the earbuds plus an additional 33 hours in charging case). With Rapid Charge, just 10 minutes of charging gives you 2 hours of listening\nSWEAT AND WATER RESISTANT. Rated IP55 with sweat and water resistance, these buds are made to withstand any adventure while blocking out unwanted noise\nHANDS-FREE VOICE CONTROL. With the Skull-iQ App, you’ll have hands-free control of your favorite media player, the Spotify App, and other features using only your voice. No need to drop what you’re doing to adjust your audio\nPERSONALIZED SOUND IN THE SKULL-IQ APP. Customize your sound with Personal Sound by Mimi, Stay-Aware Mode, and fine-tune your EQ\nMULTIPOINT PAIRING. Connect to two devices at once with seamless transitions\nBUILT-IN TILE FINDING TECHNOLOGY. Find your earbuds near and far when you register your product in the Tile App