The so-called mobile phone accessories undoubtedly refer to the directly related accessories used when the mobile phone is used, which is what we usually call the secondary products of the mobile phone.
Mobile phone accessories mainly include built-in mobile phone accessories and external mobile phone accessories.
The function of each component of mobile phone accessories:
1. Protective shell
The mobile phone shell is formed by stamping.
Mobile phone batteries are divided into nickel-cadmium, nickel-metal hydride and lithium batteries. Nickel-cadmium batteries have been basically eliminated due to short standby and talk time and memory effect. Commonly used nickel-metal hydride and lithium batteries, under the same volume, the standby and talk time of lithium batteries are longer than that of nickel-metal hydride batteries, but its price is also higher than that of nickel-metal hydride batteries. However, no matter what kind of battery you choose, it is best to have two batteries or one power bank for each mobile phone, so as not to miss calls due to the lack of backup batteries.
Mobile phone chargers can be roughly divided into travel chargers (universal chargers), docking chargers and maintenance chargers. Generally, users are mainly exposed to the first two. Travel chargers are the most sold on the market. There are also various forms of travel chargers. Common ones include cheap duck-egg-shaped miniature travel chargers, ordinary desktop card board chargers, and high-end desktop chargers with LCD displays.
① The battery can be charged separately, or the mobile phone can be charged directly.
② Make the battery charge more balanced, reasonable and full.
③ It is designed with a special protection circuit, which can prevent the battery from overcharging and prolong the battery life.
4. Phone headsets
There are two types of phone headsets: Bluetooth headsets and wire-controlled headsets. The application of headsets on mobile phones greatly facilitates users, frees up hands, and is convenient for people who are driving or working.
① When driving or busy, you can answer the phone without using your hands, so that you have more free space and can be safer.
② During a meeting, you can talk quietly without losing dignity.
③ Keep the mobile phone away from the head to reduce the radio frequency radiation to the head.
5. Power bank
The portable power bank can directly power or charge the product through the DC power input interface of the electronic product. Generally, a lithium battery or a dry battery is used as a power storage unit. Different from the internal battery equipped inside the product, which is also called the mobile battery, it can replenish the power of mobile phones, notebooks, digital cameras and other devices.
The concept of power bank is developed with the popularity and rapid growth of digital products, and its definition is a large-capacity portable power supply that is convenient and easy to carry. The functions of digital products are becoming more and more diversified and they are used more frequently. The question of how to increase the use time of digital products and maximize their functions becomes more and more important. Power bank is the best solution to solve this problem. With a power bank, you can provide power for a variety of digital products anytime and anywhere in the mobile state.
6. Mobile phone data cable
Mobile phone data cable: Its function is to connect mobile devices and computers to achieve the purpose of data communication. To put it simple: it is connected to a computer to transfer pictures and other files or used as a charging tool.