Languagessimplified chinese english rom512mb capacity mah80 materialsilicone sim card typeno sim card slot connectivitybluetooth40 fitness wellnesssleep tracker activity tracker pulsometer exercise reminder sedentary reminder chronograph community share alarm clock find my device stopwatch timer ram64mb charging timeh1 water resistance depth10m waterproof levelipx 8 typesmart bracelet featuresdistance tracking long standby pedometers anti lost calories burned camer