Languagessimplified chinese english romother capacity mah85 materialsilicone sim card typeno sim card slot connectivitybluetooth40 fitness wellnesscall reminder sleep tracker activity tracker dual time zones pulsometer sedentary reminder cpunrf51822 ramother charging timeh15 waterproof levelipx 7 typesmart bracelet featurespedometers calories burned water resistant water proof message control information touch screen sports exercise record distance tracking long