1. function, support hands-free phone talking and music playing 2. Support music play from TF card and U disk by inserting TF card / U disk into the slot / port 3. In mode, control volume +/-, next/prev, pause/play, answer incoming call and hang up 4. AUX input supported, connect to computer, tablet, mobile phone etc. with 3.5mm audio cable 5. Two speaker drive units, double bass diaphragm inside, 360 degree stereo surrounding sound, heavy bass 6. Colorful LED light lighting controlled by switch button 7. Voice prompt reminder, guide user know about the speaker status.