Smart Compass has up to 3 days of battery life with mixed use or 24 hours of continuous use.
You charge your Smart Compass via micro USB. You can extend the battery life of your Smart Compass by placing it in Standby Mode. To place in standby mode, press and hold the button continuously: for 6 seconds then select “yes” when prompted “enter standby” To get your Smart Compass out of standby, simply short press the button.
Your Smart Compass can be charged in both normal and Standby mode.
This video will show you how to place your Smart Compass in Standby Mode to maximize battery life.