This item was received as a gift and has been stored at home. It is new and unused, but the box is damaged, so I've listed it as "Like New." The box has been opened for inspection. Includes instruction manual. - Lightweight neck cooler with a cooling function of -17°C, usable for up to 2 hours via USB connection. - Model Name: NECK COOLER Slim - Cooling Temperature: -17°C - Cooling Method: Small cooling system - Battery: Equipped with a lightweight battery - Connection Method: USB cable included - Option: Anti-loss strap - Usage Time: Up to 2 hours Thank you for viewing.