samsung galaxy buds true wireless earbuds - black (renewed) samsung electronics premium sound tuned by akg, an optimized driver offers substantial bass, while a volume driver gives you a wider range of sound. 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. just what you want to hear - control how much surrounding noise you want with ambient aware. quick ambient mode lets you hear traffic, flight announcements and coworkers calling out to you 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