Nintendo Switch Joy-Con (L)/(R) Neon Red/Neon Blue
No the joy cons have batteries inside and will be charged using switch
U have to buy that but it comes with joy cons straps.
The only way I know to get those Joycons are from the Neon Switch
They have not fixed the issue, but Nintendo is offering customers to send the Joy-Cons in for repair. You must submitted a ticket through Nintendo.com.