Languagessimplified chinese english romother capacity mah85 materialsilicone sim card typeno sim card slot connectivitybluetooth40 fitness wellnessfind my device sleep tracker activity tracker dual time zones pulsometer sedentary reminder call reminder cpunrf51822 ramother charging timeh15 waterproof levelipx 7 typesmart bracelet featureswater resistant water proof information gps touch screen sports multifunction exercise record distance tracking long standby p