High speed charging and multi-protection ---- Safe circuit design support to charge your phone at a high speed safely, can avoid over-charge, over-discharge, short-circuit and overload. Ultra-light?Ultra-small?Ultra-slim ---- Only 1.4 Oz, Portable can easy to carry to put in pockets and purses. Size of car key, ultra small, ultra thin, only 2.75*1.57*0.7inches. Easy to hung on anywhere ---- Comes with the keychain can easy to hung on anywhere like the hand bag, backpack, pants and so on. Type-C port ---- Use the type-c port to charging the charger itself.?The product includes a Type-C charging data cable.? Remove the phone case before charging ---- Remove the phone case, and swipe up the telescopic switch before charging your iPhone, If charging while wearing a phone case, it's easy to loose, may cause poor contact and can not be charged.