Perlerare - Mini Humidifier - Premium quality humidification unit with 300ml water tank, Ultrasonic quiet operation, Auto shut-off

300ml water tank design can moisturize the air for 4-6 hours Auto shut off after 4 hours and press the switch to restart Ultrasonic cool mist for humidification - 30-45ml/hour Quiet operation below 30dB USB powered, convenient for carrying