【Exceptionally Long Usage Time】With its generously sized sealed water tank, this room air conditioners portable can run for a maximum of 14 hours (in low cool mist mode) when fully filled. Likewise, the swamp cooler can be programmed to operate for up to 14 hours, enabling you to work, read, or indulge in deep sleep without enduring prolonged exposure to chilled air discomfort. (Note: The water shortage protection feature halts cool mist spraying automatically when water levels are insufficient.)

【4-in-1 Functionality】This air conditioners portable no windows needed functions as a portable AC unit , personal evaporative air conditioner, and cool mist humidifier. Furthermore, it boasts 7-color LED lights, offering versatility as either a night light or bedside lamp. Its USB charging port is compatible with a range of power sources including power banks, laptops, adapters, car chargers, and more.

【Flexible Airflow Regulation】This portable AC air conditioner provides 3 speed options (Low/Medium/High) and a 120° adjustable air direction feature, enabling personalized airflow. Moreover, the portable air conditioner fan offers 2 cooling modes: press the button once for continuous misting and twice for 5s intervals of misting (Note: Adapter not included; compatible with USB adapters rated above 5V 1.5A).

【Experience instant relief from sweltering heat】 – whether working late in your home office, relaxing in a compact bedroom, or enduring a long commute in your car. This 4-in-1 portable air cooler delivers rapid cooling with its 1500mL high-capacity water tank and adjustable fan speeds, while the built-in 7-color ambient lighting creates a soothing atmosphere. Compact and lightweight, it transitions seamlessly between indoor and on-the-go use, making it ideal for small spaces where traditional AC units can’t reach.

【Whisper-Quiet and Intuitive】Designed with a distinctive air duct layout and fluid dynamics, this mini small compact air conditioner portable operates silently, guaranteeing undisturbed sleep. With a remote control featuring a 16.4-foot range, you can effortlessly modify cooling mode, speed, timer, and night light settings with a single click. This enables you to unwind on the sofa or bed without having to move, ensuring a tranquil night's sleep until dawn.