Unused, included with the purchase of a Mac. This is a 1.8m AC extension cable made by Apple, designed to be used with Apple power adapters. - Voltage: 125V - Output: 2.5A Compatible with the following power adapters: ・29W, 30W, 61W, 67W, 87W, 96W, and 140W USB-C power adapters ・10W and 12W USB-A power adapters ・MagSafe and MagSafe 2 power adapters There is no box. It will be shipped via Mercari delivery.