HOW DO I MAXIMIZE MISFIT RAY'S BATTERY LIFE? Karyna Updated July 18, 2018 16:36 Follow BEST PRACTICES TO MAXIMIZE MISFIT RAY'S BATTERY LIFE: Keep the app up to date Keep Ray device’s firmware up to date Resist unnecessary tapping of Ray as a party trick Related articles WHAT KIND OF BATTERY DOES MY RAY USE? HOW WILL I KNOW WHEN THE BATTERIES ARE LOW OR NEEDS TO BE REPLACED? HOW DO I SET UP MY RAY? HOW DO I INSTALL THE BATTERIES? Comments 0 comments Article is closed for comments.