Specifications: Name: Mobile Phone Cooler Material: ABS+ Aluminum + magnet + ice porcelain Power supply: 5V/3A Max Size: 64*64*23mm/2.5*2.5*0.9 inches Fan speed: 5000R/min Power:15W Function:Three-speed adjustment Description: Strong Cooling Performance: This new outdoor waist fan has a large capacity for rapid cooling, providing a refreshing breeze during outdoor activities. Equipped with a dual-hole blowing system, it offers efficient airflow and four adjustable speed levels for a customized cooling experience. Multi-functional Design: With USB dual output options, this fan is versatile and can be powered by different power sources. Its powerful battery ensures long-lasting operation, making it perfect for extended outdoor adventures. The digital display screen shows speed levels for easy adjustment to your preference. Convenient to Use and Maintain: The fan features a threaded rotating mechanism for easy assembly and disassembly, facilitating cleaning and maintenance. Its compact size and lightweight design make it portable and ideal for various activities, providing comfort and convenience. Sturdy Structure: Designed with a reinforced structure, this waist fan is sturdy, with enhanced durability and impact resistance. It is built to withstand rough handling, making it suitable for outdoor environments that require durability. Enhanced Comfort and Convenience: With its powerful cooling capability and adjustable settings, this waist fan ensures a comfortable experience during work or outdoor activities. The dual-hole design and multiple power options make it a practical and reliable companion for staying cool on the go. Packing list: Radiator x 1 power cord x 1