Android phones need support otg function can be used.

Some Android phones need to manually turn on the otg function, such as vivo,oppo, and Huawei phones (for specific phones, please consult customer service or baidu search)

note:

this price does not include the packing box!
Android fans can only be used by mobile phones with OTG function! Emphasize statement! Power Bank can't be used! Some mobile phones have the OTG function but need to be turned on in the settings. Only after the OTG key is turned on can they be used, especially OPPO, VIVO, Huawei, etc., depending on the situation!
This product is rotated by mobile phone power output, which has certain loss to the battery. It is not recommended to use it for a long time.

Jinhengcheng electronics factory, Futian District, Shenzhen is a company specializing in the production and processing of USB light, data cable, audio cable, speaker line, USB fan and other products, with a complete and scientific quality management system. Jinhengcheng, Futian District, Shenzhen Electronics factory has been recognized by the industry for its integrity, strength and product quality. Welcome friends from all walks of life to visit, guide and negotiate business.

Yunsheng electronics factory, Bao'an district, Shenzhen city
contact: Chen Jiyi
phone: 0755 3300112
mobile phone: 13829095559
address: Xixiang, Bao'an district, Shenzhen city, Guangdong province, China
wangpu homepage: https://shop11987a93a99z3.1688.com