Bluetooth Battery Monitor is a simple Windows app that monitors your Bluetooth device's battery level. With this app: You can get the accurate battery level information from your Bluetooth devices. Unlike some of the other apps that guess the battery level from device usage time, this app shows real data which was measured by each Bluetooth device. This usually gives you more accurate information. You can check all your Bluetooth devices' battery level at a glance. You can get notification when one of your Bluetooth device's battery gets low.