Penguin Car Humidifier USB Ultrasonic Aroma Diffuser with 400ml Tank, LED Nightlight, Auto Shut-Off, for Kids Bedrooms and Travel, Blue Green Pink
Penguin Car Humidifier 400ml USB Ultrasonic Aroma Diffuser with LED Nightlight

This penguin-shaped humidifier releases an ultrafine mist of water and essential oils to humidify and fragrance the air. Its tummy lights up with a soft glow, and a built-in safety shut-off turns the unit off if the water level drops below the recommended amount. It can act as a gentle nightlight and sleep aid, making it suited to kids' bedrooms. The 400 ml tank meets day dosage, and the high-transparent water tank lets you observe the water level. The unit runs on a USB cable and can be connected to a battery pack, charger cable or laptop, so it is easy to travel with. The smiling face switch on the bottom controls both mist and light, and spray time is 6 hours, with spray water tank capacity up to 10 hours. The body uses PET food-grade material. For longer machine service life, mineral water is recommended; adding essential oils is not recommended.
Features and Construction

The Penguin Car Humidifier combines a compact aroma diffuser, a soft nightlight and a USB-powered misting unit. The source text specifies a 400 ml tank, ultrasonic microporous atomisation, PET food-grade material, a high-transparent water tank and a multi-angle smiling face switch. These details define the product's practical construction.
Material and Build
The body is made from PET food-grade material, as stated in the source text. PET is a common plastic used in food-contact applications, and the source describes it as food-grade environmental protection material. The high-transparent water tank allows you to see the water level without opening the unit. The bottom of the design is described as unique, multi-angle and featuring a lovely smiling face switch. No other materials are specified in the source text.
Size and Practical Fit
The water tank capacity is 400 ml, described as super capacity to meet day dosage. Spray time is 6 hours, and spray water tank capacity can be 10 hours. These figures are the only measurements provided in the source text. The compact size and USB power make the unit easy to place on a desk, bedside table or in a car, although no external dimensions are stated.
Uses and Placement

The Penguin Car Humidifier is designed for humidifying and fragrancing the air with water and essential oils. It can serve as a nightlight and sleep aid in kids' bedrooms, and the USB power options support travel and desk use. The source text also mentions use in cars, as reflected in the product name.
Event or Professional Use
The unit is not described for professional or event use in the source text. It is presented as a personal humidifier and diffuser for small spaces. The USB cable can connect to a battery pack, charger cable or laptop, which may be useful when travelling or working away from a fixed power point. No commercial or large-room coverage claims are made.
Everyday Home Use
For everyday home use, the Penguin Car Humidifier can be filled with water and 2-3 drops of pure essential oil. It releases an ultrafine mist and can light up with a soft glow. The high-transparent water tank lets you check the water level. The built-in safety shut-off turns the unit off if the water level drops below the recommended amount. The smiling face switch controls mist and light functions.
Benefits and Buying Value

The product offers a combination of humidifying, fragrancing and a soft nightlight in one USB-powered unit. The source text highlights the 400 ml tank, 6-hour spray time and up to 10-hour spray water tank capacity. It also notes that the unit can help block dry electrostatic printing and reduce the harm of radiation on the body, keep the water embellish skin luster, and provide therapeutic benefits of essential oils for relaxation and health.
Reuse and Low Maintenance
The source text recommends mineral water for longer machine service life and states that adding essential oils is not recommended. The high-transparent water tank makes it easy to observe the water level, which supports routine refilling. The built-in safety shut-off turns the unit off if the water level drops below the recommended amount, which can help prevent running dry. No further maintenance instructions are provided.
Why Choose This Product
This penguin-shaped humidifier is a practical choice for anyone wanting a small USB-powered misting unit with a soft nightlight. It uses ultrasonic microporous atomisation to produce a fine mist, has a 400 ml tank, and supports multiple power supply modes via a general USB power cord, computer power supply, DC power supply or mobile power supply. The smiling face switch adds a playful control point. It is available in blue, green and pink.