Centeni Portable Bluetooth Speakers with 6 Colorful Pulsating LED Lights 4.0 Bluetooth speakers, 33Ft Bluetooth Range with Colorful Music LED Hip-Hop Portable Bluetooth Speakers Application of core technology:"LED lighting technology + acoustics + pulsating rhythm method". Built-in 88 three-color RGB LED lights, 360-degree LED pulsating music; 6 kinds of music pulsating LED visual display mode Support smart phone, PC and other devices with bluetooth speaker function easy to pair and play music; 3.5mm AUX audio jack: connect with MP3,PC, cellphone etc. with 3.5mm external audio player High-capacity battery(3600mAh), Up to 10 hours of music play, support USB charging, Professional DSP audio processing chip; support EQ adjustment; Touch Button, Bright treble, alto mellow, deep bass. Microphone Support Hands-free Function