Purchase Notice!!!

How to use: generally, it will light up when inserted in. Except for some mobile phones that need to be set up, set up on the mobile phone ~ or more settings ~ find that the OTG function can be turned on. If it is not on, it is not supported, it can also be plugged into USB interface with power supply, such as power bank, computer, mobile phone charging plug, etc., attention!! Please carefully select the required cellphone plug before purchasing!!!