Languagessimplified chinese english romother capacity mah85 materialsilicone sim card typeno sim card slot connectivitybluetooth40 fitness wellnesssleep tracker activity tracker dual time zones pulsometer sedentary reminder call reminder find my device cpunrf51822 ramother charging timeh15 waterproof levelipx 7 typesmart bracelet featurestouch screen sports multifunction exercise record distance tracking long standby pedometers calories burned heart rate monitor m