Lodestone PICO

Device: Dimensions: 28 * 13 * 8 mm Outputs: mono audio (could be DIY'd with stereo) Average output strength: 0.424 mT Amplified: No Compatibility: Any device supporting USB-C audio output. DIY: https://github.com/AxelFougues/Lodestone-biomagnet-tools/wiki/Lodestone-PICO