To be honest, in fact, this thing is not used for me at all. Work is completely useless.
I can't use life because I didn’t even tease 
.
Why did you still buy it?
Because it's cheap 
(This is regarded as suffering from the “Samut Aunt Cabbage Syndrome?â€)
Buy links, TB inconvenient stickers, attach a Jingdong own link
KNORVAY N26C Laser Pen PPT Remote Control Laser Projector pen Electronic pointer Red Black 39 Yuan Jingdong To Buy Out of the box â–¼ white packaging, printed on the front right corner of the security code, you can make a phone call or log on the website for inquiries, of course, if you can increase the authenticity of scanning QR code query is more convenient.
â–¼ through the login website query, the first query results, genuine is affirmative, after all, the official flagship store to buy.
â–¼ The second query results, you can know the anti-counterfeit code was queried several times.
â–¼ The back of the box is printed with two-dimensional codes of “Official WeChat†and “Jindong Flagship Storeâ€, as well as manufacturer information.
â–¼ The basic information of the product is printed on the side: name, model, laser color, color. The rightmost digit should be the production date.
â–¼A total of three accessories: storage bag, laser pointer, instruction manual
â–¼ The LOGO for Nuowei is also printed on the storage bag.
â–¼ Connaught is a N26C laser pen, using black color, a total of three buttons on the front. At the same time, the "down page key" in the middle has a blind spot design, which can effectively prevent misuse during use.
â–¼The specific function is shown in the figure below
â–¼The brand logo and product model are printed below the pen body
â–¼ side for power switch key
â–¼ There is a hazard warning label on the back of the back, and there is also an emphasis in the user's manual to avoid direct exposure of the eye to Class 3R laser pointer products.
â–¼ The back of the middle compartment is a battery compartment, with a 7th battery
â–¼ The back cover is slightly loose and it is not covered by a tight seam.
â–¼ At the top of the pen body is the emission point of the light source, and the laser color is red.
â–¼ The USB receiver is at the bottom of the storage location. The magnetic design is adopted to avoid accidental loss of the receiver.
Connaught N26C laser pen support Prezi, Microsoft Office, WPS and other software and Windows, MAC, IOS, Android and other systems, I am in the most popular "WIN7 + PowerPoint" conditions for simple testing.
The functions of page up and down and full screen black screen are all in normal use.
There is no problem with signal reception, and no operation insensitivity phenomenon occurs.
The manual mentioned in the specification "when performing the black screen function, the input method needs to be switched to the English state, otherwise it can not achieve a black screen." I also did not encounter, no matter what the status of the input method can be normal black screen.
In addition, I haven’t tested the 100m of official propaganda for the control distance. I only tested 7 or 8 meters. Of course, there is no problem at all. At a distance of 8 meters and under sunny conditions, the laser can be seen on the curtain.
1, cheap, 9.9 is also a true conscience cabbage.
2, support a variety of operating systems and software, full-featured.
3, USB receiver magnetic suction design for easy storage.
4, blind spot design, can effectively avoid misuse when using.
Work in individual details is not in place, such as the looseness of the battery compartment covers mentioned above (for the price of 9.9 I feel I was forced to find 
).
All in all, as long as 9.9, return mail, work funny cats are available, universal value of friends can also play to play what bold ideas, although the details are not in place, but as long as the quality is guaranteed, can live with, then with the mother Home as a classification label - "absolute value"!