A:AnswerFor the second Gen, as long as you have the appropriate wireless charging case, I believe that was optional for that Gen. I have not had an issue with it charging any earbuds Apple/Samsung/Sony they all charge fine
A:AnswerYou supply your own, keep in mind that this charger only supports the older USB Type A chargers, not the Type C that apple has been shipping for the past year or two so you will either need to get an adapter or by a Type A charger if you have a newer Apple Watch
A:AnswerFrom the Otterbox website:
Output:
Wireless:
Phone: 5W Qi BPP, 7.5W Apple MagSafe, 15W Qi EPP
This is somewhat confusing to me, since this suggests that it only charges 15W for non-Apple devices (I believe Samsung does use the Qi EPP standard) but the product is designed as an iPhone accessory.