Thermostatic water bottle insulation

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