ARM MCU - MK22FN1M0VLL12 (NXP)

weighing scale and body composition front-end IC - AFE4300 (Texas Instruments)

battery charging IC (including battery protection) - BQ24095 (Texas Instruments)

WiFi and Bluetooth radio - BCM43438 (Broadcom)

flash memory - MX25L3233F (Macronix)

op-amp - AD8544

connector to the USB port PCB