[v2.22.0] Bluetooth Battery Monitor – No more guessing when to charge Bluetooth devices

Bluetooth devices have been widely popularized due to their great convenience, and more and more people have become accustomed to using various Bluetooth devices (headsets, speakers, keyboards, mouses, game controllers, watches, etc.) in daily life. But Bluetooth devices need to be charged regularly to ensure that they do not run out of power. So how can we monitor the battery of each Bluetooth device more efficiently and easily?