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Concept
Mobile phone accessories
Summary
Mobile accessories include any hardware that is not integral to the operation of a mobile smartphone as designed by the manufacturer. Its purpose is to protect the mobile from being damaged or to use for more convenient use of the mobile. People can choose whether to use these accessories for their mobile, as they are not a necessity.
Cases, which are designed to attach to, support, or otherwise hold a smartphone, are popular accessories. Case measures are based on the display inches (e.g. 5 inch display). There are different types:
Pouches and sleeves
Holsters
Shells
Skins
Fitted cases
Smart watches
Bumpers
Flip cases and wallets
Screen protection and body films
Drop and shock protection
Leather cases
Cases with integrated kick stands
Battery cases
Cases with protection devices
Holsters are commonly used as external cases for devices, and/or are made of plastic and without exposed rigid corners. Heavy duty cases are designed to protect from drops and scratches.
A standing (or kickstand) case keeps the device standing upright. The collapsible kickstand of some horizontal cases holds the device in a flatter or steeper angle, depending on whether it is horizontally placed on a surface clockwise or counter-clockwise. The flat angle allows tapping without pushing the device over, while the steep angle is intended for watching.
Folio cases are a combination of a case and stand, and may include a keyboard (USB for OTG smartphones or bluetooth keyboard).
Skins and design covers can serve for protection and personalization. These are the result of the relatively "naked" designs produced by manufacturers such as Apple, where the metal and glass components of the device are exposed and vulnerable to damage. They are distinct from holsters, in allowing use of the device while in the case, but in many instances include a belt clip or other device giving it the functionality of a holster. They are made of hard plastic, rubber, silicone, leather, or adhesive-backed vinyl pieces. Vinyl material may be calendered or cast, with the latter being more expensive.
Official source
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