Features: 100% new products and high quality Three-speed adjustable wind power, quad-core wind power, high-strength suction. Quickly exhaust carbon dioxide, moisture and heat from the mask. Keep your face fresh. Lightweight and compact. Portable mini design. With a clip, it is convenient to wear and circulate air into the mask. It can be charged via a USB cable. This air circulation fan with built-in lithium battery is energy-saving and environmentally friendly. High-efficiency and low-noise operation. Type-C charging port. Type-C connectors are smaller than standard USB connectors, saving space. With up to 10,000 times of mating life and strength blind mating structure design. charging indicator. The user is more clear about the power of the product, the red light is on during charging, and the charging completion indicator is off. Made of durable hard plastic. Can be placed in the office, living room and bedroom. Suitable for Valentine's Day gifts, birthday gifts, Christmas gifts, and Halloween gifts. Specification: Color: Black, WhitePink Charging time: 40 minutes Battery capacity: 300mA-500mA Battery voltage: 3.7V Rated power: 0.5W Input current/voltage: DC5V/85mA Package includes: 1 X Fan 1 X Charging Cable Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.