Built in lightning connector: Just plug into your iphone & charge, never bother with charging cable again.Ultra-Compact: Size of a lipstick, as a mini emergency portable charger for iphones (only 78g weight, like an egg).Upgraded Capacity: 3350mAh is big enough to add almost 1.2 charge to an iPhone 8, or about 0.95 charge to an iPhone X.Support Pass -Through Function: Charge your iphone while recharging the power bank.What You Get: 2 X Power bank(White,Black),1 X USB C Cable, 1 X Manual.