Airpods 3 vs airpods 4 battery life July 8, 2019 16 32 64 128 Apple airpods 3 vs 4 battery life Airpods 3 battery drain test Airpods pro 4 vs airpods 3 Airpods 3 vs pro 3 Airpods 3 vs airpods pro which is better Airpods 3 lightning vs magsafe difference