True Wireless: auto pair earbuds is an upgraded version with improved sound quality and size, and Wireless: charging of the battery. Features Bluetooth: ® 5.1, auto-pairing, auto power-on, built-in music controls, and dual microphones for hands free operation. Once the earbuds are removed from the case, they will power on and automatically sync to each other, no more hassle of trying to get the earbuds synchronized! 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 traveler. 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. Delivered in a premium gift box.