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The update iteration of smartphones is getting faster and faster, and people are changing their phones more frequently to keep up with the trend of the times. Old phones may be idle in drawers, even if they have no problems. If thrown away, discarded mobile phones can cause electronic pollution, and people urgently need a reason not to throw away old phones, that is, to give full play to their value. R.C.P is a set of products that can "resurrect" old phones. A box containing a mobile phone is the most basic A accessories, A accessories use Bluetooth to connect to the phone to call some of the functions of the phone. A metal magnetic sheet ab