2 in 1 wireless headphone Wireless listening function: It can receive the sound wirelessly from any electrical device with audio output such us TV,PC,DVD,VCD,MP3/MP4 and CD player. FM radio:The headset can be used as FM radio separately, search and lock channels automatically. Technology Specification: 1.System:VHF/RF 2.Modulation:FM 3.Mode:Mono 4.Operation distance > 30meters(360 degree) 5.Signal-to-Noise Radio>50db 6.Distortion<2%THD 7.Speaker:40mm mylar 8.Frequency Response:20-20000Hz 9.Transmission Frequency:86MHz ±0.5MHz 10.Receiving Frequency:84-108MHz(±0.5MHz) 11.Power Supply Headphone:3V(2x1.5V AAA batteries) 12.Transmitter: 3V(2x1.5V AAA batteries) Packing details: with color packaging: per carton:20PCS color box size:19.7x8.5x22CM carton size:41x44x46CM N.W:7.2KG G.W:8.2KG

2 in 1 wireless headphone with FM radio