Canon EF-EOS M Electronic Lens Adapter

I have purchased from the 'RetailNet' seller.
If you get this around 4.5k then go for this canon compare to other brands(3-3.5k)
I didn't use other brands, but, this canon has a solid build quality. If you have 1k extra compare to other brands go for this.

Yes, the product can't able to register on the Indian Canon site. Product imported from Taiwan. So, it's can't register on the Indian Canon site.

But, it's doesn't matter because it's come under accessories and accessories have limited ...

It works as intended. People buy this genuine adapter to get advantages from Canon like warranty repair etc. But Canon provides warranty only on Camera Body and lenses. It comes under accessories. If you want to save some money, go with other brans like Commlite, viltrox and save half of the money but they might be slow in focusing.

best product