Excellent Compatibility: Compatible with all QI standard wireless charging pads, just put on a wireless charging pad or a wireless charger mat to start charging. Or you can also charge the case with a charging cable. Please shut off your Airpod when charging. Unique Designed: A suitable replacement charging case for your Airpods 1 Airpods 2. It is specially designed to safely protect and wireless charging case for your Airpods, simply and perfect fit your AirPods and make a excellent work. Perfect Charging Speed: Just 15 min charging for the Airpod can offer 3 hours music time. Red light during charging and green light when full of charge. Built in 450 mah battery support more than 5 times full charge for your AirPod. Convenience and Safety: The size is 1.74*0.84* 2.1 inch, 1.2 oz only. Super lightwight easy for you to take anywhere. The Airpods will stop charging automatically when the battery is full. Not only protecting your Airpods, but aslo avoiding from charging case fever. Notice: The AirPods replacement charging case only provide power charging. Does not support Bluetooth an there is no connecting button. No airpod, No sync button, just a charging case.