Testing conducted at Microsoft in September 2020 using pre-production devices and software. Tested with the Surflink 39W PSU under controller conditions. Measured at typical office ambient temperature of 23C. Battery life varies significantly based on network and feature configuration, signal strength and other factors. See Microsoft Surface Student Landing for details.
 Some apps and accessories sold separately.
 The Windows 11 upgrade will be delivered to qualifying devices late 2021 into 2022. Timing varies by device. Certain features require additional hardware.