Yyf1 smartwatch mtk2502m smart watches heart rate monitoring sleep monitoring real time step by step bluetooth for android ios
Languagesportuguese traditional chinese simplified chinese japanese persian russian thai spanish hungarian german czech french chinese english arabic italian rom128mb capacity mah260 materialstainless steel 2ggsm85090018001900mhz sim card typeno sim card slot connectivitybluetooth40 camera03 mp fitness wellnesscommunity share alarm clock find my device stopwatch timer sleep tracker pulsometer activity tracker calendar exercise reminder sedentary reminder chronograph c