As a classical model, T130S wireless guide system is an upgraded version of the T130, compatible with the T130,T131 tour guide system. Compared to the older version, the T130S tour guide systems add a one-touch mute, one-touch shutdown of all receivers, and an AUX port (allowing for simultaneous MIC and AUX inputs); the sound is louder, and the battery life and communication range are significantly improved. Of course, T130 audio guide system has received widespread praises from customers around the world. By purchasing through our official website, you can enjoy a 30 day free return, a 2-year warranty, and lifelong technical support. Retekess, as a leading manufacturer in the wireless tour guide system industry, has been dedicated to this field for 15 years. Our business reach customers globally. We prioritize listening to our customers, placing their needs priority, and ensuring customer satisfaction is our driving force for progress.