The shure glxd24r b58 is a wireless handheld system thats perfect for vocals and live sound in a range of contexts'. '.strtoupper('w')ell suited to small to medium sized music venues houses of worship and conference halls this system offers accurate and authoritative vocals with the convenience of a wireless setup'. '.strtoupper('o')perating with brand new dual band wireless technology the glx d will scan for the cleanest possible channels within its 2.4 ghz band as well as its 5.8 ghz band for stable and interference free performances at all times'. '.strtoupper('t')he glx d system also provides automatic pairing between transmitters and receivers making it incredibly convenient for travelling performers or events with rapid turnarounds simply plug in and perform'! '.strtoupper('a') redesigned rechargeable lithium ion battery offers up to 12 hours of continuous use from a single charge and a quick charge feature that gives 1.5 hours of use from a 15 minute charge'. '.strtoupper('i')ncluded in this system is a handheld transmitter with a wireless beta 58a capsule giving you the sound of shures modernised take on the sm58 with the extra clean focused sound offered by its supercardioid pickup pattern.