Your Bullets Wireless Z is ready before you are. A single 10-minute charge gives you 10 hours of music and movies. A full charge provides a battery life of up to 20 hours, allowing you to keep enjoying your music. With convenient features like Quick Switch, Quick Pair, and Magnetic Control, listening to music has never been easier. With a 9.2mm dynamic driver and superb bass in each earbud, you experience rich sound and outstanding tonal quality every time you hit "Play.".