Features

Powerful wireless capabilities: Bluetooth 5.0 with onboard antenna
Powerful CPU: Nordic nRF52840, ARM® Cortex®-M4 32-bit processor with FPU, 64 MHz
Ultra-Low Power: Standby power consumption is less than 5μA
Battery charging chip: Supports lithium battery charge and discharge management
Onboard 2 MB flash
Onboard PDM microphone (only in Seeed Studio XIAO nRF52840 Sense)
Onboard 6-axis LSM6DS3TR-C IMU (only in Seeed Studio XIAO nRF52840 Sense)
Ultra Small Size: 20 x 17.5mm, Seeed Studio XIAO series classic form-factor for wearable devices
Rich interfaces: 1xUART, 1xI2C, 1xSPI, 1xNFC, 1xSWD, 11xGPIO(PWM), 6xADC
Single-sided components, surface mounting design