The best price, the app supports English language. No need to set the watch itself, you can set the function through the app. The application is easy to use. Both the smartwatch and the app support English.
details:
Smart watch: pixel
battery: high-capacity polymer battery.
250mah strap: can change the strap, connect to the app screen to switch, all functions are the same
function:
call: support incoming call answering
information push: support heart rate
monitoring: support
oxygen: support
blood pressure: support
monitoring sleep check:
other functions support: