Keep temperature: double insulation. the stainless steel kettle is equipped with double insulation wall, remain the optimal temperature of hot and cold.
stainless steel: 18 oz bottle made of 304 stainless steel and food grade pp. corrosion resistant, safe and healthy.
durable: built-in battery can use 1000 days at a time. waterproof cover (lid flush, but can not be soaked in water.) the temperature of the bottle can be up to 20 hours.
multifunctional application: intelligent kettle is very suitable for travel, the outdoors, beach, school, office, outdoor, yoga, hiking, camping, biking, running, etc. simple and practical, is for friends, family, children, sons and daughters of the best gifts