M6s smart heart rate bracelet sleep monitor waterproof bluetooth pedometer ios android mileage tracking
Languagessimplified chinese english romother capacity mah70 materialsilica gel sim card typeno sim card slot connectivitybluetooth40 fitness wellnessalarm clock sleep tracker activity tracker ramother typesmart bracelet featurespedometers calories burned heart rate monitor anti lost message control information touch screen sports exercise record distance tracking modelm6s sensorfinger sensor heart rate sensor light sensor supported operation systemandroid ios screen