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. What You Get EMNT Power Bank x1 Type C Cable x 1 Metal Buckle x 1 User Manual x 1 Ultra-small 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.