Amazfit gtr 4 oder gtr 3 pro July 8, 2019 16 32 64 128 Amazfit gtr 4 или gtr 3 pro Amazfit gtr 4 vs gtr Amazfit gtr 4 vs gts 3 Amazfit gtr 4 test Amazfit gtr 3 pro vs amazfit gtr 3 Amazfit gtr 4 vs watch 5