Airpods pro 2 vs 1 case July 8, 2019 16 32 64 128 Airpods pro 2 vs 1 case size Airpods pro gen 2 vs gen 1 case Airpods pro 1 vs 2 case dimensions Airpods pro 1 vs 2 case difference Airpods pro 1 vs 2 charging case Airpods pro 1 vs 2 same case Airpods pro gen 1 vs gen 2 case size Apple airpods pro 1 vs 2 case Airpods pro 2 and 1