DescriptionThis item is a summer cooling fan. Made from premium material, it is durable for long time use. Featuring a mini design, the fan is portable, very convenient to use. This fan will bring you a new experience. Suitable for home, office or outdoor use.Features- Material: ABS. - Power supply: Lithium battery(Not removable). - Battery voltage: 3.7V. - Charging current: 5V/0.5A. - Charging time: 2-4 hours. - Output power: 1.5-2.5W. - Working time: 1-1.5 hours. - Speeds mode: 3 speeds. - High-quality material, simple and strong, creative and practical. - Fine workmanship with three speeds wind, it can meet your needs. - A variety of technologies to achieve low wind noise, strong wind. - Comfortable natural wind speed, cool and refreshing artifact in summer. - It can be used at home, office and sleep, which is convenient to use.