Silicone, metal;Duo USB charging cable key chain adapter with light inside main body that illuminates the logo while in use; Power/Technology: Input: 5V; Output: 1A; USB 20; Includes one USB Type C and duo 5 pin + micro USB; Cables may be used for charging only (no data transfer function); Not an Apple® authorized product, use at your own risk; Product Size: 7" l x 0.5" h x 0.5" d;