MOBILE PHONE PROTECTIVE COVER AND MOBILE PHONE COMBINATION HAVING SOUND AMPLIFICATION FUNCTION

摘要

A mobile phone protective cover having a sound amplification function, the mobile phone protective cover comprising a back cover arranged on a back side of the mobile phone; the back cover comprises a first back cover portion arranged on the mobile phone and a second back portion slidably arranged on the mobile phone; the second back portion is provided with a reflection element thereon; the reflection element is configured to reflect a sound emitted by a loudspeaker of the mobile phone.