2.0 speakers, professional speaker 1.6"loudspeaker 2.Power:40W ... stage speaker, active speaker, speaker, professional stage audio speakers, outdoor stage speaker, passive stage speaker, mini speaker, vibration speaker, portable speaker, car speaker, jbl speakers, bluetooth speaker. ... USB and FM function3) With SD card interface4) Speaker Unit: 6 inch5) Woofer :80 magenet6) Tweeter&woofer ...