The App Magic Battery shows the battery level of supported input devices and headphones that are connected via Bluetooth in the menu bar. Internal batteries are also supported. Magic Battery supports all Apple input and audio devices. Battery information will be shown in the menu bar and the main window. The following devices are supported:

Input devices:
• Apple Magic Mouse
• Apple Magic Mouse 2
• Apple Magic Trackpad 2
• Apple Wireless Keyboard
• Apple Wireless Trackpad
• Logitech MX Anywhere 3

Headphones:
• AirPods
• AirPods Pro
• AirPods Max
• Beats Solo 3
• Beats X
• Beats Studio 3 Wireless

Other devices:
• Apple iPad (all models)
• Apple iPhone (all models)