Really, the Airpods 2 could easily be seen as AirPods v1.5 because Apple hasn't touched the overall design or sound capabilities at all. Heck, there isn't even a new colour to show you've got the new model.
Quick to charge using the included case; Now offers Hey Siri for voice control; Easy to connect thanks to H1 chip
Not great in noisy environments; The same polarising design; Many premium competitors; Can fall out; Expensive