XIAO nRF54L15 pre-soldered version is a powerful yet compact development board built around Nordic's nRF54L15 SoC, featuring a 128 MHz Arm -M33 core with 1.5 MB NVM. This thumb-sized board excels in modern IoT applications with comprehensive wireless connectivity including BLE 6.0, Matter, ThreadandZigbeeprotocols. With ultra-low power consumption, it's ideal for battery-powered IoT devices. The tinyboard offers 16 GPIOs, USB Type-C interface, and onboard battery charging capabilities. Enhanced security features robust protection for IoT deployments. Developers can leverage the NordicnRF Connect SDK and PlatformIO with for RTOS support for efficient development workflows. (Note: for IDE is not currently supported). Color: Black Material: PCB+Metal Package Contents: 1 x Development Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.