With a powerful 85W power output (20V/4.25A), this 5-foot cable provides reliable charging performance for compatible models (from 2012 to 2017). The second generation magnetic design allows for fast and secure connections while helping prevent accidental disconnection. This cable is wrapped in a durable nylon braid with enhanced life and tangled resistance. Note: Mac Air users must pair with a PD65W 20V (or higher) output charger, while Mac Pro requires a PD85W 20V (or higher) output charger for optimal performance. The 5-foot length provides convenient flexibility for a variety of workspace settings, allowing you to recharge your device comfortably from a distance.