About this item Compatible with Airpod 1st & 2nd: This replacement case can be used for both Airpod 1 and 2. It serves as a spare case, allowing you to charge your Airpods at any time, no matter where you are. Same Quality as the Original: The charging case features a Bluetooth sync button. After the initial connection, it will automatically connect with your phone when you open the cover again, serving as a reliable alternative if your original charging case is lost or damaged. Support Wireless and Wired Charging: This charging case offers two different charging methods to cater to your diverse charging needs. Fast Charging: It takes only 20 minutes to charge the earbuds and 2.5 hours to fully charge the case. A fully charged case can charge the headphones 3-4 times. Product dimensions: 2.95 x 2.8 x 1.26 inches.