| Wireless headphone for Internet entrance examination, educational listening :: School, institutes, lecture room, reading room :: Seminar, lecture, religious group including church, outdoor :: Wireless learning device, especially for EBS educational listening :: Conveniently fit due to ergonomic design :: Clean sound with advanced digital method (CD-level stereo sound) :: Max. 50m transmission/receipt (30~40m for indoor; somewhat variable depending on environment) :: Easy and convenient charging (Instant charging just by connecting to the cable mounted on the transmitter; built-in charger) :: Can be used without any installation (No extra installation cost is required) :: Multiple headphones can be available due to its multi-channel implementation (proper for group-purpose by using several receivers for one transmitter) | 
