The Essos 2 True Wireless Auto Pair Earbuds with Case feature Bluetooth 5.3, auto-pairing, and auto-power with an ergonomic design to keep the earbuds in place. The case doubles as a power bank with a built-in 300mAh battery, which charges using the included Type C USB cable. The earbuds can be fully charged in under 30 minutes. The case can be charged in under 1.5 hours, allowing you to enjoy over 3 hours of playback at maximum volume on a single charge. A quick 10-minute charge will provide 1.5 hours of playback time. The Essos 2 True Wireless Auto Pair Earbuds with Case feature built-in music controls and dual microphones for easy, hands-free operation. The case will recharge the earbuds 3x.