Engadget - What do you need after getting your very own Droid Mini / Ultra / Maxx? Why, accessories to go along with them, of course. Big Red introduced a slew of add-ons to accompany the newly announced phones this morning, which include cases from Speck, Incipio and Otterbox, a set of SOL Republic headphones, a SOL Republic Bluetooth speaker and matching 4,000mAh and 2,000mAh external batteries to extend the life of your just procured handsets.