Support AUX audio and microphone input at the same time; assisted listening device for church;connect your external devices with AUX cable(not included); such as tablet; smartphone; MP3; PA system; you can add background music when speaking. Upgrade tour guide system; D-shaped headphone accessories; universal headphone for left and right ears; relieve the pain of wearing one ear for a long time; meet the needs of the disabled. Simple operation; turn off all receivers with one key; without complicated operations; suitable for large-scale occasions such as tour guides and conference translations; click the "+" button of the T130S transmitter to enter the one-touch mute mode. Ultra-long standby translation equipment; the battery capacity of transmitter is 4200mAh; the receiver battery is 900mAh; working time is 20h; which can meet the long-term use of a single time. Long-range audio guide systems; working range up to 100m/328ft in open area; receivers do not have to be clustered around the transmitter; useful information can be heard clearly.