Plug and play design for immediate use. Simply plug it in and you can use it. The phone's loudspeaker becomes five times louder, helping you reach the audience more effectively. Upgrade and plugandplay. No settings required. Convenient and timesaving pairing with a onesecond link. Say goodbye to cumbersome setup. Amplification performance. Five times amplification increases the sound and enhances the audio experience, letting the listeners clearly perceive the scene. Key features No configuration needed: plug in and use Quick pairing: onesecond link for fast setup Significant loudness boost: five times louder output Phone compatibility: designed for easy use with mobile phones Use scenarios Small live performances or public demonstrations where phone audio needs to reach a larger audience Meetings or presentations in rooms with limited builtin speaker capability Outdoor gatherings, travel, or casual events where sharing phone audio with a group is desirable