WISE UNION SYSTEM TECHNOLOGY CO.,LTD is the first manufacture designed and produced digital wireless tour guide system, on the basis of reliability and simplicity ,we adopt more advanced technology to fully combine the digital sound pickup, digital audio processing with digital radio technology. It effective to avoid the noisy environment and the industrial interference. With our strong technical strength, our products have advantages of Long transmission distance, low interference, portable and reliable performance which can be widely used in Tourists, museums, travel companies ,factories, government agencies and technology center? Shenzhen Wise Unite System Technology Co., Ltd is lead in ... more