I appreciate your enthusiasm, and although I think they look really cool...a $219+ third party add-on thing that requires a rechargeable battery pack is a whole level of additional investment that doesn't personally appeal to me.
But it seems like a really awesome product for the DJ industry for sure, and I think they have a future
Also, I've sworn off of Apple products in general after their recently-revealed extensive child labor debacle.
https://medium.com/swlh/i-refuse-to-buy-or-cover-another-apple-product-e8101cf4ac0