The case also functions as a powerbank for the earbuds and can be charged with the included Type-C cable. Once the 400 mAh battery of the case is charged, it will charge the earbuds 3x from 0-100%. With over 6 hours of playback time at max volume on a single charge these earbuds are a must for any traveller. The ergonomic design of the earbuds keep them in place while on-the-go. It takes 1.5 hours to charge the earbuds from 0-100%. The case can be charged in under 1.5 hours. Supports Siri and Google Assistant. Bluetooth® working range is 10 meters.