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 ramother charging timeh1 water resistance depth10m waterproof levelipx 8 typesmart bracelet featureslong standby blood pressure measurement anti lost pedometers camera cont