Coffee Mug Cup Warmer for Home Office Milk Tea Water Heating

I did not expect miracles, but the product meets my expectations. An imperceptible difference (within the thermometer error limits) between the blue and red levels for a volume of 250 ml. RED LEVEL (250 ml) 0min (23,1°C), 5min (25,0°C), 10min (28,0°C), 15min (30,8°C), 20min (33,4°C), 30min (37,8°C), 45min (42,6°C), 60min (46,0°C), 70min (47,5°C), 80min (48,6°C), 90min (49,4°C), 100min (50,1°C), 120min (50,2°C – MAX) BLUE LEVEL (250 ml) 0min (23,8°C), 5min (27,0°C), 10min (29,5°C), 15min (32,1°C), 20min (34,4°C), 30min (38,2°C), 45min (42,5°C), 60min (45,4°C), 70min (46,6°C), 80min (47,7°C), 90min (48,2°C), 100min (48,8°C), 120min (49,4°C – MAX)