How is the sensor charged? July 31, 2023 21:33 Updated The sensor should be placed on the wireless charger in alignment with the sensor outline shape, and the "b" logo for the ANNE Chest and Limb sensors. A green light on the sensor charger below the sensor means the sensor is charging properly. Related articles What do the icons on the app dashboard mean? What do the LEDs on the sensor indicate? Where should I place the sensor when I am not using it? How often does the sensor need to be charged? What if I notice a skin reaction after using a sensor?