3D stereo glasses is a penetrating LCD lens, through the circuit to the LCD glasses on, off the control, on can control the glasses lens all black, in order to cover a glance image; off can control the glasses lens for transparent, so that the other glance to see another glance should see the image.

Fingerprint, security, password, identification Nowadays fingerprint recognition technology is not a new technology, not only smart phones, even the door locks at home have also started to use fingerprint recognition technology.

After using iPhone for a long time, you will find that more and more storage space is taken up, especially for the "Other" item, which tends to take up more and more space.

Cell phone battery is an important part of the phone, and its life and capacity directly affect the experience of using the phone. So, how should we charge the phone properly?

If you have ever encountered a situation where your phone automatically shuts down when there is still 20% battery left, the following possible explanations may answer your questions.

With the advent of the information explosion era, as long as an inadvertent action may leak information.

With the popularity of a variety of smart phones, tablet machines, more and more people find that a variety of digital products, especially cell phones own power has been unable to meet the need for life time in daily use, and the emergence of mobile power can be said to a certain extent to solve the problem.

IMEI code, namely the serial number of the mobile phone. It is the abbreviation of International Mobile Equipment Identity. Like the identity card of a mobile phone, it is used to help identify the identity of a mobile phone. Each mobile phone has only one serial number, which is not the same. We usually match the serial number displayed after pressing the "* # 06 #" key on the mobile phone with the barcode on the mobile phone box and the serial number in the back of the mobile phone after removing the electric board. If the three are the same, it is more likely to be genuine goods (not excluding second-hand goods).

If the user wants to extend the effective service life of the battery, in addition to the quality of the charger, the correct charging method is also essential, because the poor quality charger or the wrong charging method will affect the service life and cycle life of the battery. Here are the tips on extending the life of the mobile phone charging battery that the author has compiled:

The working principle of power adapter and charger is the same, both use the principle of AC power conversion to convert AC power into DC power to meet the power needs of the device.