Power up to power on get up to six hours of battery life with an additional seven hours from the case that doubles as a wireless charger Premium sound tuned by AKG, an optimized driver offers substantial bass, while a volume driver gives you a wider range of sound Just what you want to hear control how much surrounding noise you want with ambient aware. Quick ambient mode lets you hear traffic, flight annozments and coworkers calling out to you Sounds good. Feels good. Galaxy buds come in three adjustable ear tip and wingtip sizes right from the box Resists water with splash resistant technology, your galaxy buds handle splashes, sweat and spills The galaxy buds pairs with both android and iOS compatible devices via bluetooth connection. Use with a smartphone and tablet running Android 5.0 or higher & RAM 1.5GB above. Automatic sync and ambient aware mode only available for Android; iOS users can use voice command/Siri US Version: Comes with quick start guide, and 1 year product (information on the retail package). Android 7.1.1 or higher required. Battery capacity (Earbud):58mAh