Wireless Headphone FM radio receiver Accept small quantity Transmitting frequency: 84~87MHz ... : 609*455*455(mm) Features:* Wireless headphone functions* Headset with FM radio functions* Wired or wireless headphone functions* Wireless online chat* monitoring*Transmitter Transmitting frequency ... , for late-night TV viewing.6,passively cancels external noise. Wireless Headphone With FM Radio Black