DUAL CHARGER 35W charges up to 2 Apple devices at the same time:

• When used individually, the USB-C ports provide up to a maximum of 35W, letting you charge different MacBook models.
• When the ports are used at the same time, the battery charger identifies the connected devices and optimises the charging performance for both devices.
• This charger is the perfect solution for consumers that have several Apple devices, so they can quickly charge all their devices with one single battery charger.