Please note: This product does not have a cooling function! This intelligent, compact desktop evaporative air cooler offers a flexible, dual-power cooling solution for personal spaces. Combining a space-saving mini footprint with an integrated digital display and a 12-hour programmable timer, this versatile unit transitions seamlessly between indoor USB desktop operation and cordless outdoor battery use, delivering a gentle, health-conscious cooling breeze wherever you need it. Product Specifications Product Type: Dual-Use Desktop Mini Evaporative Air Cooler & Fan Material Composition: High-Grade Engineering ABS Plastic Dual Power Supply Network: USB Plug-In Drive (Cable included) OR 4 × AA Batteries (Batteries not included) Airflow Settings: 2-Level Adjustable Wind Speeds Integrated Timer Layout: Programmable up to 12 Hours Water Tank Storage Capacity: Approximately 200 ml Product Net Weight: 614 g (Gross weight including retail color box: 739 g) Product Dimensions: 18 cm × 10 cm × 10 cm (Ultra-Compact Form Factor) Display Interface: Intelligent On-Unit Digital Status Display Core Functional Features Innovative Dual-Use Hybrid Power: Engineered to solve the problem of power accessibility. Plug it directly into any standard USB port (laptop, power bank, or wall adapter) while working at your home office desk, or insert 4 AA batteries for instant, cordless personal cooling during outdoor picnics, camping, or patio relaxation. Intelligent Digital Screen & 12-Hour Timer: Outfitted with a bright, easy-to-read digital control display. The extended 12-hour built-in programmable timer allows you to set specific operation intervals, providing automatic shut-off to save energy while you sleep or work. 2-Speed Gentle, Skin-Friendly Airflow: Features two selectable wind velocity levels optimized to deliver a refreshing, evaporative breeze. Unlike harsh traditional air conditioners, this gentle misting breeze cools down ambient skin temperatures without drying out the skin or triggering seasonal cooling discomfort, making it exceptionally safe and comfortable for children, the elderly, and families. Space-Saving Desktop Architecture: Measuring just 18 cm tall, this ultra-lean cooling tower occupies a minimal physical footprint. It slides effortlessly onto crowded office desks, bedside nightstands, or even atop computer towers, maximizing your personal comfort zone without cluttering your environment. Integrated 200ml Water Tank: Built with an easily accessible 200 ml water reservoir. Simply add water (or chilled water cubes) to activate the evaporative cooling effect, instantly transforming hot, dry indoor air into a crisp, moisturized personal breeze.