Air pods 2 are earphones that are wireless and they are pretty small. The way they charge is pretty cool. So you have to charge the case of the earphones or charge the case wireless then the whole day the earphones get charged.
Airpods1 v Airpods 2
Apple’s first-generation AirPods perfected automatic connection to any Apple device you’re signed in with your Apple ID. Switching between devices is automagical.
Apple’s second-generation AirPods are a slight improvement over the first-gen with better audio and voice quality, longer talk time, and support for voice-activated Siri.