Self Stirring Stainless Steel Coffee Mug,Whirl Wind Cup,Smooth PVC Outer Surface

# Effective mixing for juice, puree, milk, coffee, wine, tea, etc.
# Sip through lid for hot drinks
# Keep warm - airproof design can keep warm long time
# Capacity: 400ml
# Outer PVC/Inner Stainless Steel
# Powered by 2xAAA batteries(not included)
# Please don’t immerse the cup in the water