How long does the Blue2's battery last? Michael Knott 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 many switches can I use with Blue2? How can I use my Blue2 with iOS or MacOS Switch Control? Why am I seeing a message stating “Using this accessory may affect Wi-Fi and Bluetooth connectivity” when pairing my Duo? The colored switch cap comes off while using the Big Red. Is there a way to secure it so it doesn’t come off as easily? Is there a way to customize the Blue2 for custom keystrokes? Comments 0 comments Article is closed for comments.