Retekess TT116T Wireless Tour Audio Guide System Radioguide For Lecture Translation Training Excursion Factory Hj

e same time.External audio input: Tour guide system can use transmitter with the original microphone; or other headset microphone or handheld microphone; it also supports external audio input, such as MP3 and smartphone.D-shaped earphones, suitable for both left and right ears, relieving the pain of wearing one ear, comfortable to wear, and fit the ear.Portable design, the smallest and lightest;you can easily take them anywhere and wont feel heavy when using them.