This innovative product is the electronic advertising screen of the ring armrest on the bus and subway stations. It replaces the traditional paper advertisement, can update the advertisement content in real time, and even play the video, bringing a more advanced upgrade to the traditional advertising method. In the 2020 customer project, in order to optimize the size of the electronic screen and battery life, we have made many efforts, because the combination of electronic screen and battery and other components has led to a slightly larger size.
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The bumpy road must not hit my handsome face
How to solve the huge number of charging problems?
Qian Qian Qian Qian Qian
a little expensive
Easy to break
The idea is good
Such a small screen can't be seen by myopia.
This cost is a bit high