Languageschinese english capacity mah80 materialtpu sim card typeno sim card slot connectivitybluetooth40 fitness wellnessalarm clock stopwatch sleep tracker activity tracker call reminder cpunrf51822 charging timeh2 3 waterproof levelipx 6 typesmart bracelet featureslong standby blood pressure measurement pedometers calories burned anti lost heart rate monitor camera control water resistant water proof message control hands free calls touch screen sports distance tr