How Often Should I Charge the Blue2 FT? May 24, 2024 16:50 Updated For optimum performance and battery life, we recommend charging your Blue2 overnight after each day of use. Related articles Getting Started with Blue2 FT How do I configure Blue2 with my speech app? How many switches can I use with Blue2 FT? How long does the Blue2 FT battery last? What type of battery does the BIG Candy Corn use?