E scooter xiaomi pro 4 2 generation July 8, 2019 16 32 64 128 Xiaomi 4 pro (2. generation) swiss edition - e-scooter (schwarz) E scooter xiaomi pro 2 Scooter xiaomi 4 pro Scooter xiaomi 4 Xiaomi scooter 4 ultra test Mi scooter 4