cypress · Feb 05, 2014

I was very satisfied and impressed with the prototype David Guzman built for me. I appreciated his communication with me throughout the process, as well as his input and brilliant ideas. I recommend his work for any technical design or project one may have.

for Auto Pause Headphones

Andrew_D_Zimmerman · Aug 29, 2006

Quick response, very knowlegeable, good communication. Will work with David again soon. A+

for Circuit design help needed