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Feature Compact and portable: Semiconductor neck mounted fans are usually small in size, lightweight, easy to carry, and can be used anytime, anywhere. Low noise: The hanging neck fan that operates based on semiconductor physics principles has less noise than traditional mechanical fans, does not produce harsh mechanical noise, and is more comfortable to use. Low power consumption: The semiconductor neck mounted fan can be charged using a micro USB interface, which is fast and can be used for a long time in one charge. The power consumption is low, making it more economical and practical to use. Adjustable wind speed: Semiconductor neck mounted fans can usually adjust the wind speed, which can be adjusted according to different usage scenarios and needs, making them more flexible and convenient. Multifunctional design: Some semiconductor neck mounted fans also have other functions, such as LED lights, music playback, etc., making user use more convenient and diverse. specifications Product name，hanging neck fan Working voltage:DC 5V/1A Working current:0.85A (MAX) Power:8W Battery capacity:6000mAh Charging time:4-6H Use time: 5-16H (depending on environmental factors) Charging interface:TYEP-C Wind adjustment: 1/2/3 gear 360° Surround Blower PACKAGE 1*Fan 1*cable 1*manual