You can now run free with your music – without any wires, without any worries. Jaybird Run deliver 4hrs of battery life on a full charge, and the charging case holds an extra 8hrs. With fast charge you get close to 1hr of battery life with a 5min charge. The small design of the buds, speaker housing, and the different sized ear tips and fins allow for a secure and comfortable fit that’s hardly noticeable when they’re in your ears. The tweaked Jaybird speaker and sound design delivers rich and balanced music. The Jaybird App allows you to personalize your sound settings and save them to your buds. Multiple layers of nano-coating ensure that your bud’s perform in sweaty and rainy conditions.