Backpack-style vest with Peltier cooling plate ⭐️For boys⭐️Includes battery

This is a vest with a Peltier cooling plate.
Purchased last year but has been stored unused.

▪️Size: Free size (equivalent to S-5L)
▪️Materials: PP, Polyester, Aluminum
▪️Power: Includes a 30000mAh high-capacity battery
▪️Applicable to: Unisex
▪️Color: Black
▪️Manual: Includes Japanese instruction manual

Battery operation has been confirmed.

⭐Notes
This is an unused item, but it has been in someone's possession once. Please understand that it is not a new item before purchasing.

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