This device is a high-power home audio system and portable speaker from Sony, model Sony GTK-XB7. Key specifications and features: EXTRA BASS™ technology: Provides powerful, deep bass for a distinctive audio experience. Built-in LED lighting: Includes multi-colored light lines synchronized with the music, plus strobe lighting to create a festive atmosphere. Flexible two-way design: The speaker can be set up vertically or horizontally without affecting sound distribution quality. Connectivity technologies: Supports fast wireless connection via Bluetooth and one-touch NFC, in addition to a USB port for playing music. Party Chain feature: Allows you to connect multiple compatible speakers together for a higher sound output. For sale to the highest bidder.