Languageschinese english capacity mah70 materialsilicone connectionbluetooth40 sim card typeno sim card slot connectivitybluetooth40 fitness wellnesstimer sleep tracker activity tracker sedentary reminder call reminder find my device cpudialog 14580 water resistance depth3m waterproof levelipx 6 typesmart bracelet featurescalories burned heart rate monitor sleep tracker information water resistant water proof touch screen wearable sports exercise record distance tra