I received a dstike cyber b necklace and know nothing about them. Im trying to figure out how to install software to it. If anyone could help me I'd really appreciate it.
No such thing. You must have dreamt it.
Cool product!
From the seller's page
Demo code is open sourced.
and
Arduino setting:
* 1.Open Arduino IDE
* 2.Tools->Board->Arduino Leonardo
* 3.Tools->Port->ComXX(Arduino Leonardo)
So go find the demo code, then program it with the IDE just like an Arduino.
a7
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Looks like a printed circuit board. Those exist.
I appreciate it. thank you
So it does exist and there is a seller's page. But now two people are keeping it a secret. Why is that?
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It is a hacker necklace with a TFT screen. It could perform HID attack as a bad USB.You can wear it just like a cool guy.You can keep important password into this necklace. You can use it to hack computer WiFi passwords. It could do a lot of hack things..
From: https://dstike.com/products/cyber-b-necklace
Though I image that it may be programmed for peaceful purposes, I am suspicious.
Would make a fine animated nametag
So long as OP isn't asking for help making it bad, which does not seem to be the case so far
You can wear it just like a cool guy.
The bar for "cool guy" has been significantly lowered since Steve McQueen. 
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What software do you want to put on it?
2022: wearing a pcb on your neck
OK who has ordered one or two for themselves at this point? 
a7
For the whole family and a cat! Reminded me how russians turned failed CPUs into very expensive fridge magnets https://digitnews.in/russian-defective-processors-released-in-the-form-of-fridge-magnets/
The screen looks so small that anyone close enough to read it would definitely be considered to be invading the wearer's personal space!
A larger screen, with the circuit on the back, would be more practical from a visibility standpoint. But of course would consume more power, so a larger battery would be desirable, which would risk making the necklace heavy.
No idea im just trying to figure out what all it can be used fo first.
Social distancing
Lol it was a gift im not hacking anything like i said i don't even know the purpose of the little guy.