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Several manufacturers share design wins on the Xiaomi Poco Watch M2131W1. Like the Huawei Band 6 Pro FRA-B39, the device is based on the AMA3B2KK-KBR ARM 32-bit Cortex-M4F MCU by AmbiqMicro, which supports Bluetooth 5.0 LE connectivity. Supporting memory consists of 8 MB pSRAM Memory (?) by AP Memory (#Unknown) and 128 MB SPI NAND FLASH Memory from GigaDevice Semicondutor (GD5F1GQ5).