All 9-in-1 Cable Case Adapters Are Made of Scratch Resistant Aluminum Alloy. the Internal Copper Wire is Larger & Thicker Than Ordinary Cables, Which Helps Increase Charger Speed & Transfer Data for Phones, Tablets, Laptops & Other Devices. Multifunction: USB Adapter Kit Comes with 3 Storage Slots, 2 for Sim Cards & 1 for Micro Sim Cards (sim Card Not Included), & a Sim Ejector Tool to Help You Swap & Store Sim Cards Easily. the Carrying Case is Also a Mobile Phone Holder.