Traditional Culture Encyclopedia - Photography major - What are the classifications of electronic digital accessories?

What are the classifications of electronic digital accessories?

Electronic digital accessories refer to accessories directly related to the use of digital products, which is what we call digital secondary products. The following is the classification of electronic digital accessories that I have compiled for you. Welcome to refer to ~

Classification of mobile power supply for electronic digital accessories;

Mobile power supply can directly supply power or charge products through DC power input interface of electronic products. Generally, lithium batteries or dry batteries are used as power storage units. It is different from the battery configured inside the product, also called external battery. It can replenish power for mobile phones, notebooks, digital cameras and other devices.

computer fittings

DVD, COMBO, CD-ROM, CD-RW, DVD burner, power adapter keyboard, mouse, floppy drive, including docking station accessories, docking station accessories, etc.

SLR parts

Memory card, telephoto lens, macro lens, wide-angle lens, camera bag, tripod, connecting cable, lens cloth.

Mobile phone case:

Mobile phone case, as its name implies, is a coat designed and produced to protect mobile phones, but there are people who pursue fashion and trends. People buy mobile phone cases not only for protection, but also for beauty. Classification of mobile phone protective case: leather case, silicone case, crystal case, plastic hard case (PC/ABS), metal case, mesh case, clear water case, etc.

Battery:

Batteries are divided into three types: nickel-cadmium batteries, nickel-hydrogen batteries and lithium batteries. Nickel-cadmium battery has been basically eliminated because of its short standby time and memory effect. Commonly used Ni-MH battery and lithium battery, under the same volume, the standby and talk time of lithium battery is longer than that of Ni-MH battery, but the price is also higher than that of Ni-MH battery. But no matter what kind of battery you choose, it is best to have two batteries or a mobile power supply for each mobile phone to avoid delaying the call because there is no spare battery.

Charger:

Mobile phone chargers can be roughly divided into travel chargers (universal chargers), seat chargers and maintenance chargers. General users are mainly exposed to the first two. Travel chargers are the most popular in the market. There are various forms of travel chargers, such as cheap duck egg miniature travel chargers, ordinary desktop card chargers and high-end desktop chargers with LCD screens.

1, you can charge the battery separately or directly to the mobile phone.

2. Make the battery charge more balanced, reasonable and full.

3. The special protection circuit design can prevent the battery from being overcharged and prolong the service life of the battery.

Headphones:

Headphones are divided into Bluetooth headsets and wire-controlled headsets. The application of headphones on mobile phones has greatly facilitated users, liberated their hands and brought convenience to friends like driving or working.

1, when driving or busy, you don't have to answer the phone with your hands, which gives you more free space and safety.

2. During the meeting, you can speak quietly without losing your dignity.

3. Keep the mobile phone away from the head to reduce the radiation of radio frequency to the head.

mobile phone accessories

Protective film: it can be used for the beauty of mobile phone, making the screen of mobile phone scratch-free and oil-free, waterproof and dustproof, and reducing the eye fatigue of the owner when using the mobile phone;

Protective film classification: mobile phone PC protective film, PVC protective film, PET protective film; AR protective film.