Xiaomi electric scooter 4 lite 2 gen 250w July 8, 2019 16 32 64 128 Xiaomi electric scooter 4 lite 2 gen 250w 25km 10 Hulajnoga elektryczna xiaomi electric scooter 4 lite 2 gen 250w Scooter xiaomi 4 Scooter xiaomi 4 pro