1, This watch is original English Version and can be compatible with "Amazfit Watch" APP
2, The Chinese version can't be updated to English version at present.
3, AmazFit Sports Watch Application ver 1.0.2
1.3 inch AMOLED color Touch Screen
Higher precision HR sensor
Up to 5 days battery life
Make & Answer calls (Only supports Android phones)
GPS+GLONASS , 11 sports mode