Turn dry, stale air into instant relief with this palm-sized 220 ml ultrasonic humidifier. High-frequency nebulizer technology breaks water into a superfine 5 µm cool mist that hydrates skin, nasal passages and houseplants without leaving wet spots. Powered by any 5 V USB-C port (laptop, power bank, car charger), it delivers up to 9 hours of quiet comfort on intermittent mode and shuts itself off when the tank runs dry. Weighing only 5 oz, it slips into handbags, cup holders or carry-onsperfect for desks, nightstands, hotel rooms and camping tents.