The “KISONLI L-9090 Multimedia Mini LED Speaker” it might be a product released after my knowledge cutoff. However, I can provide some general information about multimedia mini LED speakers. Multimedia mini LED speakers are compact audio devices designed to produce sound from various multimedia sources such as smartphones, tablets, laptops, and other audio devices. They are often equipped with LED lights that can provide visual effects synchronized with the audio output, adding a fun and aesthetic element to your listening experience. These mini speakers typically connect to audio sources via Bluetooth, USB, or audio cables, making them convenient for use in various settings, including parties, outdoor activities, and small gatherings. They can also feature built-in rechargeable batteries, allowing you to use them on the go without the need for a constant power connection.