If you own an iPhone or other Apple device ... AirPods Pro or the 3rd-generation AirPod, you can tap on the case while it's resting on the charging mat to see whether your AirPods are charging ...
The mat can provide up to 15W of charging power per Qi-enabled wireless device, like an iPhone, Android, or pair of AirPods. According to Tesla's website, pre-orders for the mat are now open ...