Features: BT accompany, stable and no wire connection trouble. Multiple interesting mode and personal sound. Remote control, convenient and simple. 12 sound effects, 12 electronic music, 10 kinds of effect modes. 8 interesting modes, meets your different needs. 6 adjustable button, finely adjust the volume of the sound. Double DSP noise control chip, no current noise, free of debugging. Plug and play, simple and time-saving. Built-in large capacity rechargeable cell, energy saving. Professional reverb, improve sound quality. Phone and laptop universal type sound adapter.