Sound Projection Voice Machine single 123-Channel Wireless Headset PA Sound System. Applications include physical education classes, hands free presentations and auctioneering.Includes Voice Machine VM-2 battery and AC sound system, OPT-50 123-channel wireless Body-Pack system, MIC-HB2a headset boom microphone, and SS-3 economy speaker stand.Sound Projections Six Year Limited Warranty-Sound Projections brand products purchased after July 1, 2006 are warranted to be free of defects in materials and workmanship for a period of 6 years from the date of original purchase, subject to the following conditions:This warranty excludes defects caused by normal wear, abuse, shipping damage, or failure to useproduct in accordance with instructions. All warranty service must be performed or authorized by Sound Projections.Any service or modifications performed without authorization from Sound Projections may void this warranty.The product must have been purchased through an authorized Sound Projections Dealer, or through Authorized Distributor.The LFP rechargeable battery in SM-5, and some VM-2 models are warranted for a period of 3 years.The sealed lead acid battery in FR-4 model is warranted for a period of 2 years.Wireless microphone and CD/MP3 player options are warranted for a period of 2 years.All accessories are warranted for a period of 2 years.Prior to returning your unit for repair and / or warranty service, please contact our customer service department at the address below for a return authorization (RA) number. For warranty repair - items must be returned to Sound Projections.Warranty for Repairs done by Sound Projections.CD/MP3and USB players, wireless systems, and lead acid battery are warranted for a period of 6 months.Internal electronics, input jacks, and speakers are warranted for a period of 1 year.Repair of all accessories shall be warranted for a period of 1 year.LFP battery shall be warranted for a period of 2 years. DRILLCOMP, INC. AND SOUND PROJECTIONS ARE NOT REPSONSIBLE FOR ERRORS OR OMISSIONS. ALL PRICING IS SUBJECT TO CHANGE WITHOUT NOTICE.