This is a module specifically developed for low-power motion detection. Fully compatible with nice nano/Superbini/Pro Micro modules. Integrated with ICM45686 and QMC6309, it can be used to build SlimeVR Tracker . It can also be used for DIY keyboards and other projects. Overview: The nRF52840 is fully multiprotocol capable with full protocol concurrency 3- accelerometer/gyroscope ( InvenSense -45686,SPI Mode) 3- magnetometer (QMC6309, Master Mode) single channel load switch(TPS22916CYFPR), Used to turn on or off battery voltage measurement Output to external 3.3V Color: White Material: PCB Package Contents: 1 X Module; 2 X 2.54 13P Pin Header; 2X SMT button; 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.