Long time wooter, first time commenter...
So I have had a similar experience thus far. Ordered AA's, AAA's and a set of J3M earbuds 5/2. I received the AA's and the earbuds 5/7 (which figures, my dead remote needs AAA's). Got a semi-generic response 5/8 from customer service that things can take up to 5 business days to ship.
Are things shipping from the manufacturer to you, then to us, or directly to us?
Not mad or anything, just curious.