According to Apple's supply chain, Apple is expected to launch a Macbook with a 12-inch Retina Display at the end of this year, using its self-developed and designed A14X processor, with the development code of Tonga, supporting a USB Type-C interface and weighing less than 1 kilogram, because of the low-power advantage of the Arm-based processor. The Macbook battery lasts 15 to 20 hours. The A14X processor will also be used in the new generation iPad Pro tablet.