See Why people Change their Mobile Phones Frequently

Headset:

A headset device is used for listening to audio media content which is transmitted while listening to an audio file or watching a video. This is a wired device that works when it is plugged into the mobile phone. Some Phone users listen to songs directly with a phone's speaker. This can be fun but will get the phone battery drained easily. The audio content can also sound distorted while using the speaker of the phone. The best way to enjoy premium sound is through the headset of the phone. This can be the headset that came with the phone or by buying premium headset like The Beat headset. Headsets are also used for decoding and encoding information while making a phone call. There are certain places that forbid answering calls while driving. It is considered a violation of the law. A headset or Ear piece can be used to avoid being a law breaker on the steering.  

Trying to control the steering of a car and a phone without using a headset can be really dangerous and put the life of the driver and other road users at risk. Going for a morning workout can also be fun and less stressful with an ear piece connected to play some soft music.

Bluetooth Ear piece:

A bluetooth ear piece does almost the same work as a wired ear piece or headset but it is better and more convenient in some instances. The bluetooth is a wireless technology. The bluetooth ear piece allows you to make calls and receive calls without particularly carrying your phone with you. Mobile phones have bluetooth auto-receive call functions.

The bluetooth device is normally attached to the ear. It works by being set-up and paired with a phone. When it is successfully paired it can be used for voice call functions and also to listen to music. Some high quality bluetooth devices produce very wonderful sound quality when it is paired. Bluetooth ear piece is also most convenient to use for calls while driving as you easily communicate without struggling with phone wire or carrying the phone in the hand. Bluetooth devices hardly come with phone except on special orders but can be bought from accessories stores.

Case:

Phone cases seem to disfigure. Mobile phones and make them less attractive according to the judgment of some users. The phone case is however very important as it can prevent the phone from getting damage when there is an unexpected impact or it falls on a hard surface. When a phone falls on a hard surface. The sim card can get shifted and loose network, the battery can get shifted and go off, the screen can get cracked, the screen can get broken, the touch sensors can fail or the entire phone can get damaged depending on the impact. These eventuality can sometimes the avoided if the phone has a hard protective case on. The case also protects the phone from unnecessary scratches and lines which can give the phone a good second hand value if it is to be traded for a new phone.

Screen Guard:

A screen guard is a slim glass-like accessory which protects the screen of the phone from scratch and damage. A phone screen can be saved from being destroyed if it has a screen guard on. Some pressure from a handbag and pocket can negatively affect the screen of a mobile phone but this can be avoided if the phone has screen guard. Some screen guards are tinted and have privacy protection which restricts mobile phone activity to the eyes of the phone user only. 
Many phone screens have been saved from damage after the evolution of this simple and affordable accessory. 

Screen Cleaner:

Most mobile phone screen get dirty or wear multiple finger prints after a long period of use. This can be annoying sometimes. The screen can be cleaned up by getting a soft cloth material used for cleaning optical frames. This will help to keep the phone screen clean at all times. Besides cleaning the screen, this cloth does a good job cleaning the whole phone body making look as new again.
Charger

USB Wire

Mobile phones can be an interesting entertainment buddy while traveling with it when it's fully loaded with media content. The easiest way to transfer a good number of movies and music files to the phone at once is through the use of a USB wire. The wire is used to synchronize data between a phone and a computer. The wire is a very important accessory as some software errors are sometimes corrected by connecting a phone to its desktop software. This will only work with USB wire.

Selfie Stick: 

As the desire for digital image capture and sharing is increasing, so also is the need for a selfie stick. The selfie stick is used for capturing thrilling moments from quite a distance depending on the adjustment of the selfie stick. This allows phone users to hand their mobile phones and conveniently take high definition pictures from different angles.

Memory Card:

A Memory card is used for expanding the (Read only memory) ROM space of a mobile phone. Memory card slots in mobile phone can accept as much as 64GB external memory or more. This will allow the phone user to enjoy access to as much media content as desired.

Phone Chargers:

Without a phone Charger a mobile phone becomes useless when the battery runs out. even when batteries are on stand-by mode they can stay for longer hours but will eventually die out. the phone charger is one of the most important phone accessories as you cant use your phone without charging it.

Extra Battery: 

It is important to have an extra mobile phone battery so you don't get stranded or totally disconnected when your main battery gets drained.