The product is a set of four Shure ADX1 G56 Digital Bodypack transmitters, suitable for live performances. These wireless units feature dynamic transducers and come in a sleek black colour. Each transmitter includes a TA4 connector and operates on the G56 band range of 470-636MHz. The package also includes four SB910 batteries for extended use during performances. Ideal for musicians and DJs, these bodypack transmitters offer reliable and high-quality audio transmission for a seamless live experience.