What is the principle of USB power bank is it safe to use USB power bank?
usbhand warmer mouse Pad
USB hand warmer mouse pad, the heating principle is far infrared heating, suitable for computer office workers, because sitting in front of the computer for a long time and rarely exercising, the blood circulation of the whole body is not enough, especially It is easy to appear cold and stiff hands and feet, and fingers become inflexible, which affects the efficiency of work and the mood of the game.
Instructions on the rise
The rise of USB hand warmer mouse pads is mainly because the weather has become cold recently, and the Internet has become popular on the Internet “the weather turns cold, pay attention to keep warm! ” QQ signature, in fact, in addition to adding clothes to keep our body warm, the most important thing is to keep our hands warm! ! ! The simplest method we can take is to “rub hands and stomp feet”, which can also speed up blood circulation, but the effect is very limited! So nowadays a baby called “USB hand warmer mouse pad” is becoming popular!
Introduction
The USB hand warmer mouse pad adopts the latest imported carbon fiber heating material and is developed by advanced technology, which is the most ideal winter office and household item. Its materials are exquisite, safe and reliable, energy-saving and power-saving, and practical.
Heating material: Carbon fiber heating sheet (sheet heating: more uniform and stable, not ordinary heating wire).
Packing:Simple Packing
Material:Carbon Fiber+Fleece
Power supply method: USB
Voltage:5V (safe voltage) optional special transformer adapter
Maximum current consumption: About 450ma
Heating material: Carbon fiber heating sheet (sheet heating: more uniform and stable. Not general heating wire)
Temperature: 38-50℃
Features
Safe and Reliable: Powered by computer USB port, or Powered by a special transformer adapter (the output current is only 5V, which is equivalent to 4 dry batteries), it is absolutely safe and reliable.
Energy saving and power saving: Because it is equipped with high-quality heating materials, its power is less than 5W (200 hours only consumes 1 kWh).
Precautions
1. The heating material of the mouse pad is covered with a layer of transparent plastic, which does not need to be torn apart. Do not tear the same use, there is a protective effect.
2. After using the USB hand warmer mouse pad, unplug the power supply in time to avoid prolonged heating, which may affect the life of the heating element.
3. Children should use it under the supervision of their parents.
4. This product is only suitable for computer USB interface or special transformer adapter for power supply, and it is strictly forbidden to use AC power directly.
5. Although more than one can be connected, in order to protect your computer, it is best to connect only one electric heating product to one computer.
