Dji action 3 vs 4 size July 8, 2019 16 32 64 128 Dji osmo action 3 vs 4 size Dji action 3 vs dji osmo action Dji action 3 360 Dji action 4 release date Dji osmo action 3 vs dji osmo action Dji action 2 vs gopro max
