airpods2 can use 10w charging head, because the hardware is supported, but it is best to use your own original charger
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1, AirPods2 can use the usual 5V1A charger, and connect the usb charging head with the charging cable to charge AirPods2;
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2, you can also use the charger of iPhone and iPad to charge it. Because airpods data cable and mobile phone common, no matter the latest wireless charging function of the charging box or a generation of charging box, are the use of Apple's current Lightning lightning interface data cable; If it is the wireless charging version that supports the wireless charging function, it can be placed on the charging board that supports the Qi wireless charging protocol to charge;
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3, if you want to check the AirPods charging case and headphones power. You can open the cover of the charging case when the iPhone screen is lit, and the phone screen will display the current AirPods and charging case power.