A 2-way tour guide system allows for two-way communication, both the presenter and guests can talk. The presenter uses a push-to-talk transmitter device which has a tie-clip or headband microphone and earphone connected to talk and listen. The guests use a push-to-talk receiver device which has a built-in microphone and earphone. These high-quality devices have a range of up to 100 metres and can be used for up to 20 hours. They run on internal rechargeable lithium-ion batteries. The system can support multiple groups across up to 18 channels.