You can use music of your choice for the notification. [How to use] 1. Connect your phone to the charging cable. 2. When charging is complete, the set song is played. 3. Unplug the charging cable to stop the song being played. [Function] - Music stops when the charge cable is separated. - You can control volume of the music. - Cable connection will be notified by the default phone ring tone. - You can set 'Do Not Disturb'(Silent Time) - You can use voice notification feature. - You can check the battery charge on the top of the screen. (Checking this is show remaining Battery life on indicator)