Of course, most Bluetooth devices do now come with their own app and these apps usually provide a way for users to view the current battery status of a connected device. (androidheadlines.com)
We could check battery status by clicking the power button once, switch between Bluetooth connections by clicking the Bluetooth button once and even clear all paired devices by holding it down. (digitaltrends.com)
The lock screen (pictured above) features a large digital clock with the date and battery status on the left and a lock on the right. (laptopmag.com)