Features: brand new and high quality. First Step: Connect the Cable to USB-C adapter, Then connect the charging adapter to an AC source. Second Step: Connect the -Magsafe 2 port to the device. The signal light turns on. USB C Type C PD output support 20V,and PD charger's power greater than or equal to laptop's power. USB-C connector: Type C (connect to USB-C Power Adapter) USB-C charge Power need 45W or more(including 45W), Such as:45W/61W/85W USB-C charger,Mobile phone usb C charger is not applicable,Battery pack is not applicable. NO Working. When using Type-c to -magsafe 2, only type-c chargers greater than or equal to 45W can be used,If you use a type-c charger that is less than 45W, you cannot charge. Specifications: Material: Plastic Power: 85W max Color: White Length: 180cm/70.87in Quantity: 1 Pc Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 x 85W Type C to -Magsafe 2 Cable