This 10” triple rechargeable bluetooth speaker has a built-in 9000mAh 12V lead acid battery, providing up to 12 hours of nonstop music playback. It features WaveSync technology, which ensures that the left and right speakers produce the same sound, creating a immersive sound experience. The speaker has a range of volume, treble, and bass controls, as well as an LED indicator display. The sound activated multi-colored LED woofer lights + strobe create a vibrant party atmosphere, while the three channel sound board allows you to connect multiple devices via Bluetooth, USB, TF, FM, or AUX. The speaker also has a 1/4” microphone jack with volume and echo controls, as well as a 1/4” guitar jack with volume control. The 3 x 10” woofers and horn tweeter deliver powerful sound, while the built-in 9000mAh 12V lead acid battery provides up to 12 hours of nonstop music playback.