TT122 is a 2.4G tour guide system, it can used all over the world freely. It has very simple design appearance. Good looking It can reach 150 meters in open area. It has one key pair with all receivers. One key mute transmitter One key turn off all receivers in same channel Work with unlimited receivers 36 channels, you can feel free to use in one location with many groups.
Self-guided tour device Automatic triggering from RFID tags or GPS triggers 3.5mm headset jack and many volume levels available Multiple languages options 120 hours of standby time Audio guide solution for Museum and city tours Waterproof function