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Audio devices (Speaker/earphone/headphone (Materials (Plastic (PP (Clear,…

- - - - Aluminium
      - Steel
        
        Mild
        
        Stanless
        
        etc.
    - - PP
        
        Clear
        
        Impact resistant
      - HDPE
        
        flexible
      - PET
        
        discolours
        
        High impact and shatter resistant
    - - Noise dampening
    - - Carbon fibre
      - Fibre element
  - - - Loud
      - Public
  - - - POSD
  - - - Volume adjustor
      - pause/play
- - - - Soft/padded
      - Water protection