This development board from STMicroelectronics has different peripherals such as an LCD screen, MEMS sensor, USB OTG, Microphone and a 16 MegaByte memory.
It has a cr2032 battery socket on the back. So you can use a 3-volt cr2032 battery to power this board. But for that, you have to change the jumper from 3v3 to batt.
Here is a video providing overview of the stm32l476 discovery kit.
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