About this item Bluetooth Connection: The charging case has a Bluetooth sync button and is fully compatible with AirPods 1st & 2nd generation. After the initial connection, it will automatically connect when you open the cover again. If the case is lost or damaged, this is a great replacement option. Large Capacity & Fast Charging: The capacity of the charging case has been upgraded to 450 mAh, providing up to a day of use. The earbuds can be fully charged in just 20 minutes, and the case itself can be fully charged in 2.5 hours. This large capacity and fast charging ensure you can immerse yourself in the music world without interruption. Dual Charging Methods: The earbuds charging replacement case supports both wired and wireless charging, allowing you to maintain your preferred charging habits. Wired charging delivers faster results and generates less heat. Indicator Light: The charging case features a power indicator light, making it easy to monitor the power level through the light