Languageschinese english arabic italian portuguese traditional chinese simplified chinese japanese persian russian thai spanish hungarian german czech french rom8gb capacity mah450 materialsilicone stainless steel 2ggsm85090018001900mhz 3gwcdma900mhz wcdma850mhz sim card typenano sim card connectivity2g 3g bluetooth40 fitness wellnessalarm clock find my device stopwatch timer sleep tracker pulsometer activity tracker calendar exercise reminder sedentary reminder chr