Mini USB Stereo Speaker Category_Gearmotors/Miniature DC supplies are required to

DC supplies are required to supply at least 1A at 12vdc

handy board with a wide array of functions in the palm of your hand

CAN transceiver

we found that input voltages above 17 V caused voltage spikes in excess of 20 V

Other than that

Mini USB Stereo Speaker Category_Gearmotors/Miniature DC supplies are required toAdd some crisp and compact audio to your project with this Mini External USB 2. 0 Speaker. It\'s USB only and does not require or use a 3. 5mm audio jack. You\'ll get great audio, even with a device that doesn\'t have a head phone jack. Since this speaker is powered over USB, there\'s no need to charge it by other means, merely plug it into your desired device\'s USB port and listen to the audio flow. Compact and convenient to carry, it\'s simple and