Features: 3 in 1.1) Wireless Headphone;2) Online audio chat (built in Microphone at the transmitter);3) FM radio;4) Operation distance up to 19M.Specifications:1) System: FM;2) Audio mode: mono;3) Operation distance: >30 meters (360°);4) Transmission frequency: 85.8MHz;5) Receiving frequency: 85 ~ 108MHz;6) Power supply:a) Transmitter: DC 3V (2 x 1.5V AAA); b) Receiver: DC 3V (2 x 1.5V AAA)
