When does PIE turn off automatically? Bagel Labs August 07, 2018 09:23 Updated Follow After two minutes of inactivity, PIE will automatically power off. Related articles Is PIE waterproof? How do I connect PIE to its smartphone app? I am getting different results whenever I take waist circumference measurements. Why is that? Using the USB Dongle with Windows Remote Desktop How long does it take to fully charge PIE? Comments 0 comments Please sign in to leave a comment.