Fast plug and play setup No settings required and convenient one second pairing for quick use One shot operation: plug in and start using immediately Significant sound boost The phone's built in loudspeaker becomes five times louder Five times amplification increases overall sound and enhances the audio visual experience Compatibility and use with mobile devices Designed to work with mobile phones No complex configuration or apps required Practical use scenarios Watching videos or listening to music with friends at home, in a cafe, or outdoors Small group presentations or meetings where phone audio needs to be audible to all attendees Travel, commuting, or everyday use when you want clearer, louder phone audio without external speakers Key attributes at a glance Function: plug and play amplified sound from your phone speaker Compatibility: works with mobile phones Performance: up to five times louder output for enhanced audio immersion Note: This description reflects the original product features including one second link, plug and play ease, and five times amplification to improve the phone speaker output.