How long does the Blue2's battery last? November 24, 2020 22:06 Updated The average battery life of the Blue2 is found to be 13 hours with general use. Related articles How Often Should I Charge the Blue2? Getting Started With Blue2 Bluetooth Switch Is there a way to customize the Blue2 for custom keystrokes? How can I use my Blue2 with iOS or MacOS Switch Control? How do I configure Blue2 with my communication app?