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1. Raise the height of vision and relieve the pressure of cervical vertebra When using a laptop, our view angle is generally inclined downward, and a long office time will easily cause cervical fatigue. The advantage of the laptop stand is to help us raise the height of vision and relieve the pressure on the…

The fundamental purpose of choosing the laptop stand is to improve the sitting posture, so we choose the laptop stand that is ergonomic, solid, durable and not easy to deform. 1, Ergonomic design The height and angle of the laptop stand can be freely adjusted according to the user’s needs. 2, Good material, good heat…

With the upgrading of laptop stands, we recently released a laptop stand that can rotate 360 degrees, which is more convenient to use. In addition to adjusting the angle and height, it can also rotate 360 degrees horizontally. The biggest feature of this laptop stand is that it adds the rotation function on the basis…

Due to the improvement of the quality of life, the laptop has basically become an essential Internet device for most households. As an accessory of the laptop, the main functions of the stand are divided into the following three aspects: Increase the air volume for better heat dissipation. Adjusting the height is good for the…

This is a new fordable double-layer aluminum laptop stand, it has stable, foldable, portable and adjustable features. It can be used at home, office or other places. Compared with the ordinary laptop stand, the double-layer stand has a higher adjustable height to meet your more requirements. (1) The laptop stand conforms to the ergonomic principle….

1, What is the fast charging protocol? Fast charging protocol refers to an agreement that the charger coordinates the voltage and current flowing to the mobile phone battery to reach the maximum power during the fast charging process. Like a faucet, it can control the flow of water. Common fast charging protocols include Qualcomm QC…

1, Don’t let your phone go from full charge to shutdown Your phone will drain faster if you frequently use it from 100% full power to shutdown. A college course at battery company Cadex calls the process “deep discharge.” It’s better to keep your phone power at a workable percentage, and when the phone only…

The first stage Pre-charge: Recover charging from the battery’s over-discharge state, restore its activity, and prevent the battery from being damaged by excessive current. The second stage Constant current charging (fast charging): When the battery voltage reaches the pre-charge voltage threshold, the battery is charged with a large and constant current. During this charging phase,…

What is mobile phone quick charging? Let’s start with two physical formulas: Energy W (battery capacity) = power (P) × Time Power (P) = voltage (U) × Current (I) Principle of fast charging: shorten the time required for charging by increasing the charging power P. There are three ways to increase the power, namely, increasing…

About GaN Gallium nitride is a compound of nitrogen and gallium with semiconductor properties and was used in light-emitting diodes in the early days. It has high hardness, high melting point and high stability. Gallium nitride is an important semiconductor material for the development of microelectronic devices, and has the characteristics of wide band gap…