It is designed for travel and other uses where a power outlet may not be available. 
Capacity: Approximately 330-350 ml. 
Features: It can boil water, maintain a constant temperature, and has a real-time temperature display. 
Temperature Settings: It offers multiple temperature settings, typically ranging from 45°C to 100°C. 
Battery: It has a rechargeable battery for cordless use. 
Uses: It can be used for heating water for tea, coffee, or baby formula