A:Answer Very good question, and I asked that myself, before I ordered one. I compared it with others that they had, online, and It really can fit in a pocket, or purse, without any problem. I I had to go from experience, and looking at one, I would say: just over twice the height of two Zippo lighters, , and a bit wider.. HOWEVER, it is not bulky, at all.. (Not having to carry a backpack, or anything...And.. You probably would not need to carry it, for long periods, because it does charge phones quicker than most chargers.
Same box that my Wi-Fi Nano USB adapter came in. Best Buy has then too!