I will sincerely handle your transaction to ensure a comfortable experience. A portable humidifier that can be used for 2-4 hours with USB power. - Brand: macaron - Type: Portable Humidifier - Power Source: USB power - Size: Approximately 8.5cm in diameter x 2.3cm in height - Usage Time: 2-4 hours - Colors: Pink and Blue New, unused, and stored at home in a clean bag. Please understand and accept this item as it is. Thank you.