Homeex Thermostatic water bottle insulation Pink USB

Material: cotton cloth Size: length 28.5* width 15 (CM) Heating power: 5W Power input; 5V/1A 1. Prepare the required items and soak the milk powder with warm water. 2. Wrap the bottle 2. Stick the Velcro the bottle that is not high enough will stand up 2. Connect the mobile phone charger or charging treasure or car charger