1、MAIN USE: Simply connect the low voltage electrical appliances to the USB socket on the universal switch using a USB cable to charge the low voltage electrical appliances. 2、WEAR RESISTANT: Surface nickel plating not only improves conductivity, but also increases hardness and wear resistance. 3、100PCS: There are 100 pieces USB female plug connectors in the package of different specifications to meet your needs, use at will! 4、EASY CARRYING: Comes with a grid design storage box, you can easily store these connectors and easy access and use. 5、WIDE APPLICATION: These Micro MINI USB female plug connectors are widely used for digital products, household appliances, security products, etc. 100 x Micro MINI USB Female Plug Connector1 x Storage Box  Item Type: Micro MINI USB Female Plug ConnectorProduct Material: Nickel PlatedApplication: Used for digital products, household appliances, security products, etc.