SparkFun Qwiic MP3 Trigger Up to 255 tracks can be loaded onto the SD card The tracks can be triggered via the I2C interface Utilizes the handy Qwiic system Doesn't need soldering The SparkFun Qwiic MP3 Trigger takes care of all the necessary requirements, all you need to do is send a simple I2C command and listen to whatever is on your micro SD card. Utilizing the handy Qwiic system, no soldering is required to connect it to the rest of your system. However, 0.1"-spaced pins have been broken out in case you prefer to use a breadboard. When a USB-C cable is connected to the Qwiic MP3 Trigger the contents of the microSD card appears as a jump drive. Simply plug in the Qwiic MP3 Trigger and you'll be transferring MP3s, no need for drivers and no need for WAV or Vorbis conversion! Sound output is provided via a 3.5 mm headphone jack or poke-home connector allowing an external speaker to be connected without soldering. Your supplied speaker is boosted by a Class-D mono amplifier capable of outputting up to 1.4W making it capable of being incredibly loud! Volume is software selectable between 32 levels while equalization can be tuned to be sure your classical hits sound different from your jazz dance routines.