Nice performance: cleaning kit not only can keep the phone plug away from dirt, but also the brush can remove the dirt, maintain the charging and headphone function normal so as to keep machine function as usual, also extend the life of your phones. What you get: mobile phone port cleaning kit includes 4 pieces metal phone anti-dust plugs, 5 pieces phone speaker cleaning brushes, 5 pieces port cleaning brushes, 3 pieces nylon brushes, 17 pieces in total, a comprehensive kit to meet you demands on phone cleaning task. Quality and convenience: the head of phone port dust plug is thin, hard to be noticed, and it won't destroy the phone's design; Simple to use, won't get stuck inside, sturdy and flexible for inserting and removing easily, won't be too loose to fall out automatically while walking, and easily remove the head which is on the phone's outside with finger nail. Practical phone dust plug: metal dust plug protects your phone port against dust, lint and splashes, while maintaining the stability of the port to prevent bad internal connections. Compatibility: these metal anti dust plugs are compatible with iPhone 11/11 Pro/11 Pro Max/12 mini/12/12 Pro/12 Pro Max and other phones with the type-c charging ports, working well in preventing dust and cleaning the phone speaker and receiver, a nice combination to clean your phones.