It is said to last up to ten hours for Internet browsing and eleven hours of iTunes movie playback.
It uses a 39.7 watt-hour lithium-polymer terraced battery cell which is said to provide “all day” battery life.
Power: 29 Watt USB 3.1 Type-C power adapter, 41.4 Wh battery.Maximum resolution 3840 x 2160 at 60Hz AirPlay (using AppleTV). Video out: USB-C DisplayPort 1.2 alternate mode.
Audio connections: Headphone audio jack (supports iPhone headset with remote and microphone).Peripheral connections: USB 3.1 generation 1 over USB Type-C, up to 5 Gbit/s (for power, converts to USB Type-A, and video out via separate adapter).Earliest possible operating system: OS X 10.11.4 “El Capitan”.Display: LED-backlit widescreen glossy, Retina Display 12 inches 2304 × 1440 (16:10), 226 ppi, with millions of colors.Flash Storage: 256 GB or 512 GB NVMe/PCIe 3.0 x2, 8.0 GT/s.Graphics: Intel HD Graphics 515 with LPDDR3 SDRAM shared with main memory.Configurable 1.3 GHz dual-core Intel Core m7-6Y75 Skylake processor (cTDP Up mode, Turbo Boost up to 3.1GHz) with 4 MB 元 cache. Processor: 1.1 GHz dual-core Intel Core m3-6Y30 Skylake processor (cTDP Up mode, Turbo Boost up to 2.2 GHz) with 4MB 元 cache 1.2 GHz dual-core Intel Core m5-6Y54 Skylake processor (cTDP Up mode, Turbo Boost up to 2.7 GHz) with 4MB 元 cache.Other than processor, this version is identical to its lower-end brethren. The MacBook 9,1 Retina Core m7 1.3 (12-inch, Early-2016) is a CTO (short for “configure-to-order”) configuration of either the MacBook 9,1 Retina Core m3 1.1 (12-inch, Early-2016) or MacBook 9.1 Retina Core m5 1.2 (12-inch, Early 2016). Otherwise, its specifications are the same as in the MacBook 9,1 Retine Core m3 model. It has 512 GB of onboard PCIe 3.0-based flash storage, that cannot be upgraded. The MacBook 9,1 Retina Core m5 1.2 (12-inch, Early 2016) features a 14-nm 1.2 GHz Intel Core m5 Skylake processor (M5-6Y54) with two independent processor cores on a single chip. The MacBook 9,1 Retina Core m3 1.1 (12-inch, Early 2016) features a 14-nm 1.1 GHz Intel Core m3 Skylake processor (M3-6Y30) with two independent processor “cores” on a single chip, a 4 MB level 3 cache, an “integrated” Intel HD Graphics 515 graphics processor that shares system memory, 8 GB of onboard 1866 MHz LPDDR3 SDRAM (that cannot be upgraded), and 256 GB of onboard PCIe 3.0-based flash storage (that also cannot be upgraded). 1.3 Apple Model Numbers, Discontinuation, Price.