USB Power Cord

USB Power Cord,Understand the Common Connection Methods.

USB power cord is one of the most commonly used electronic connectors at present. Due to the different sizes of each device, many kinds of USB connectors are derived. However, the connection interface is fixed. Today, I will share several common connection methods of USB connectors, hoping to help importers.

Schematic drawing of USB interface

USB power cord consists of four ports: power positive (V+), power negative (V-), data positive (D+) and data negative (D-). Among them, the power supply is 5V.Some connectors … Read the rest

Insulation Cup Evaluation

Insulation Cup Evaluation,Intuitive Temperature Change

Today, we want to carry out a freezing challenge: selected 8 insulation cups between the price of 6-70USD , all were stuffed into only 2 degrees Celsius refrigerator for evaluation (the picture got more than one insulation pot, not in the scope of this review). So what is the difference in function between them with the price difference? Can carry the extreme freezing challenge? The more expensive the better, cheap is no good?

These 8 insulation cups are selected from the more well-known brands in … Read the rest

Air Purifier Evaluation

Air Purifier Evaluation,Give Consumers Safe and Qualified Products.

How to solve the air formaldehyde, PM2.5 and other pollution, many consumers will think of air purifiers. However, people’s impression of air purifiers, in addition to being able to purify the air, another is that the products are large in size. In addition, the filters for filtering formaldehyde also carry the risk of secondary pollution. Would you believe that we are now going to share an air purifier that is small enough to carry around with us and that can break down formaldehyde … Read the rest

Eye Protection Lamp Evaluation

Eye Protection Lamp Evaluation,Eye Injury or Eye Protection

Nowadays, myopia is becoming more and more popular all over the world. When it comes to myopia, many people naturally think that this is the fault of computers, mobile phones and televisions, but they don’t know that table lamps are also an important factor that causes myopia. A good desk lamp can bring better lighting environment, protect eyes, reduce eye fatigue and improve work efficiency.

However, there are many kinds of table lamps on the market now. Many manufacturers like to add … Read the rest

Evaluation Of Mist-Free Humidifier

For Evaluation Of Mist-Free Humidifier, You Need To Know This

Under the thick of autumn, most people’s lips and skin have to endure the torment of dry weather every day, even if you put on moisturizer every day before going out, it doesn’t help . So many people’s most direct solution is to “hydrate” the air.

And humidifier as one of the humid air household appliances, but also increasingly accepted by the pursuit of quality of life. Today we review this mist-free humidifier, compared to the common ultrasonic humidifier, is … Read the rest