Characteristics and Interoperability Multimedia Kisonli Speaker U-3100 2.1-Channel - Black Synopsis Full-range speakers, three startling sensations Full-range speaker unit and bass diaphragm cavity work together to produce sound, and the bass impact elasticity is unmatched. The bass phase guide hole structure also works together. With the integrated Bluetooth chip, you can enjoy wireless music playback up to ten meters away from your current location and listen to music without the need for an audio cable. Beautiful ambient lighting with separate bass and high levels Savor the cinema-quality sound with the 9D surround sound field, an astounding auditory feast created by the clever fusion of independent treble and bass speakers. Supports both wired and Bluetooth connections; just requires a USB port and a 3.5mm audio port; widely compatible with notebooks, smartphones, and PCs