The AmpliVox SW300 is a lightweight and compact portable UHF PA system that you can wear on your shoulder with the shoulder strap, carry it with the ergonomic comfort grip handle, or set it on a tripod. It features a build-in UHF receiver with 16 user selectable channels. The rechargeable battery runs for up to 4 hours on a single charge, has a battery indicator light to show you the battery life. The battery charges even while in use with the AC power cord. Mity-Lite comes with its own carrying case.