Charging Case (Earbuds Not Included): This wireless charging case is only for 4th generation, not for 1st/2nd/3rd generation. Double-click Activation: As smooth as the original charging case, just double-click on the front of the charging case to connect, no buttons (BC connector) required. Wireless: Our charging case can be charged via a "BC" cable or a wireless charging pad. Built-in 680mAh battery, can provide 5 full charges for the earbuds. 4th Generation Fast Charging: It only takes 2 hours to fully charge 3 earbuds, while the earbuds can be fully charged in 30 minutes, providing 3 hours of listening time per charge. Buy with confidence: Our 4 charging case is under warranty, if you have any questions about this 4 charging case, please feel free to contact us, we promise to solve your problem within 8 hours.