Knowledge

An air cooler is a device that cools the air by evaporating water and blowing the cool air into the room. It works by drawing in warm air from the room, passing it through a moiste

The Portable Baby Stroller Octopus Air Cooling Flexible Fan is an innovative and practical solution to keep your child cool amidst the hot summer weather. It is designed with flex

The Portable Mini USB Car Humidifier is a small and convenient device designed to improve the air quality in your car. With its easy-to-use USB interface, it offers a simple and ef

Portable Outdoor Handheld Mini Fans are a must-have accessory for anyone who spends time outdoors during the hot summer months. These compact fans are easy to carry and use, and of

The rechargeable portable hanging neck fan is a very practical electronic product that can bring a fresh and comfortable experience, reduce the dependence on air conditioning, save

Super Mute Household Humidifier is an air humidifier with night lighting function. Powered by Nano Spray Technology, it is safer and more efficient. 2400mL water capacity, which ca

Power supply efficiency: When voltage conversion and charging the power supply, the power will be lost, the less the loss, the better the performance.

The principle of mobile power supply is simple, in the case of finding an external power supply in advance for the built-in battery charge

The emergence of power bank was originally for charging consumer electronics in the absence of external power supply

Power bank, mobile charger (power, charge, power bank, urine bag, nanny; It is a portable charger that can be carried by individuals and can store their own power

Energy storage power supply is a large-capacity mobile power supply, which is a machine that can store electric energy.

The front filter screen (generally the back cover of the chassis) is used for a long time, and some dust will be collected, which will affect the air intake and affect the effect o