Portable, battery-powered mini PA system you wear like a belt, leaves you hands-free and comfortable. Keep your audience's attention and be heard clearly as you move freely around the room or to multiple locationsmdash;inside and outside and all over your venue. /gt; /gt;NEW USB Support:nbsp;Play music and recordings over the speaker from a USB flash drive. Just load your files off your computer and onto a USB stick and press play. The unit features forward and backward track selector buttons. /gt; /gt;5 watt portable PA delivers clear sound to audiences of up to 75 people. Quickly adjust to changing conditions with fingertip on/off volume control. Rechargeable batteries provide up to 6 hours run time on a single charge. S207 will run on standard AA batteries if needed.