FeaturesDelivers great sounding audioEasy to use and portable plug-and-play design2.4 GHz wireless connectivitySlim, lightweight bodypackAttaches easily to a belt or guitar strapThe Xvive U4 2.4GHz Wireless In-Ear Monitor System delivers great sounding audio to your favourite in-ear monitors. Enhance your stage performance with freedom from wires with U4’s easy to use and portable plug-and-play design. Built using the highest quality components housed in a durable metal chassis ensures reliable wireless performance at every show.