Califone Four Person Wireless Listening System,Green, Frequency: 72.9MHz,Each,CLS729-4Price: USD239.90 Califone Four Person Wireless Listening System is ideal for language learning, literacy groups, ELL or ELD applications, story-time, music and audio book listening, other classroom and library uses. With a 100 feet range from the transmitter to the headphones, the system creates flexible learning environments where the students do not need to be next to the audio source.Other products from H e a l t h P r o d u c t s F o r Y o u |