2. The advantage of using the mobile phone holster is that the portable holster is chic and elegant, does not wear the mobile phone, and has good heat dissipation, but it is not as waterproof and painful as the silicone case. At the same time, if the holster is too large, it is difficult to put it in the trouser pocket, which is somewhat inconvenient to carry. Compared with a single silicone protective case, business people who work hard in the workplace prefer to use a generous and decent leather case. Unlike young people who advocate leisure, holding a single-looking mobile phone is not elegant for them.