The Synergy True Wireless Auto Pair Earbuds with ENC feature the latest technology in audio. Once the case is opened, the earbuds will power on and automatically sync to one another. The case also doubles as a power bank for the earbuds and can be charged with the included Type-C cable. Once the 400mAh battery of the case is charged, it will charge the earbuds 4x from 0-100%. With over 4.5 hours of playback time at max volume on a single charge, they’re a must for any traveler or gamer. With built-in Environmental Noise Cancellation (ENC), the earbuds block out surrounding sounds and pick up only your voice when using them for calls or video games, making it easy for the other person to hear you. The earbuds have built-in music controls and dual microphones for hands-free operation. It takes 1.5 hours to fully charge the earbuds. The case can be charged in under 2 hours. Gaming mode: Low latency 70-75ms.