The Smart-Magnet Bluetooth Control function automatically connects the SmartBuds to your device in seconds. Designed with enhanced bass boost for ultimate performance delivering smooth, high-fielity audio. SmartBuds are sweat proof & equipped for any environment. With up to 3 hours playback, and 100 hours standby, SmartBuds deliver enough power for your morning commute, to your end-of-day workout. Includes carry case and silicone sports wings that lock into your ears to isolate external noise for a better audio experience.