Description: Material: metal Size: approx. 62x24x7mm/2.44x0.94x0.28inch Color: black Scope of application: Macbook A1286 820-2565-A A1278 Generally the charging small board is the main board of the charging interface, if the mobile phone cannot be charged, can replace the mobile small board directly. Package Includes: 1 Piece DC-IN Power Board Jack