The ST016 is a light and compact portable PA amplifier equipped with a UHF wireless microphone system, consisting of a headset and handheld microphone. The speaker has a built-in high-capacity Li-ion rechargeable battery, suitable for outdoor activities where there’s no access to a wall outlet. In addition, the ST016 is packed with other functions; there’s a fully-featured built-in music player with USB port, SD card reader, FM tuner and BT 5.0 streaming. (up to 20 meters range) The large LCD screen and the torch function make this device complete. Suitable for in and outdoor applications such as teaching, fitness, conference, sales promotion, tour guide etc, everywhere you need to raise your voice.