"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
iFixit Tears Down Magic Keyboard, Magic Mouse 2 and Magic Trackpad 2
The teardown experts first pried through the Magic Keyboard's adhesive to uncover its logic board, rechargeable 793 mAh lithium-ion battery, Lightning connector cable and honeycomb-shaped spacer layer. iFixit also removed the keycaps to reveal Apple's new scissor mechanism.
The Magic Keyboard logic board contains a Broadcom Bluetooth transceiver, ST Microelectronics microcontroller, NXP charging IC and Texas Instruments battery charger:
The new Magic Keyboard earned a low repairability score of 3 out of 10, with ten being the easiest to repair, due to the excessive use of strong adhesive and difficulty of opening the keyboard without damaging internal components.
iFixit then removed the adhesive feet on the Magic Mouse 2 and separated the lower casing from the mouse, revealing the mouse's midframe. Popping four plastic clips led to a 1,986 mAh rechargeable lithium-ion battery.
The Magic Mouse 2 also has a capacitative touch-sensing array, tiny switch for clicking and a logic board with similar chips as the Magic Keyboard:
Magic Mouse 2 received a low repairability score of 2 out of 10.
iFixit also tore down the Magic Trackpad 2, prying through its adhesive to reveal its Taptic Engine for Force Touch, 2,024 mAh rechargeable lithium-ion battery, Lightning connector cable, touchpad, strain gauges and logic board with six chips:
Magic Trackpad 2 also received a low repairability score of 3 out of 10.