material and superb sound quality: Made from materials that are both attractive and wearresistant for long service life. Delivers pure HIFI sound with transparent treble, delicate mids, and powerful bass, restoring sound details for an immersive listening experience. Flexible audio input and compatibility: Supports multiple input methods. Bluetooth 5.1 enables wireless playback from mobile phones, tablets, and other devices. 3.5 mm AUX input allows connection to TV, computer, and other devices. USB decoding function lets you play music from a Udisk. Precise control and dynamic lighting: Features a multifunction knob for finer sound adjustment with 10 levels of volume indication for intuitive control. Colorful lighting with 4 levels of brightness and 2 rhythmic modes adds a visual dimension to music without overpowering it. Sinilink mobile app control: The amplifier can be controlled remotely via the Sinilink app. Use scenarios: In a living room or home office, connect via the 3.5 mm AUX to TV or computer for enhanced audio. Stream music wirelessly from a phone or tablet using Bluetooth 5.1 for convenient wireless playback. Play local music from a USB drive using the Udisk decoding function.