5 in 1 Hi-Fi Wireless Headphones Earphone Headset for PC Laptop TV FM Radio MP3 Feature: Wireless Earphone: Wireless reception from any electrical device with audio output such as full-channel TV sound, PC, game player, DVD player, VCD player, audio device, MP3 player, and player. Full-channel TV sound: What will you do if there is your favorite TV program but you worry about disturbing others. Use of the wireless earphone enables you to watch wonderful TV program with mute function. Wireless Net Chat Tool: It's a audio-chat tool, provides infinite enjoyment. FM Radio: The headset can be used as FM radio separately, which search and lock channels automatically. Wired Earphone: Equipped with audio cable, the receiver can be used as a wired earphone. Wireless Monitor: Place the emitter near babies, old people and sick people who need care, and the sound of the cared people can be heard from the receiver. Specifications: Frequency range: 84-108MHz Reception Mode: FM Distortion: 2 percent Power Supply: 2 x AAA batteries (not included) Color: Black Net weight: 150g or 5.29oz Emitter: Emission Frequency: 860.5MHz Modulation Mode: FM Emission Distance: 30m (with no inference) Speaker: 40mm mylar Reception from any audio and visual equipment with audio out socket, such as TV set, audio device, DVD or VCD player, multimedia PC, etc. Power Supply: 2 x AAA batteries or 4.5 (not included battery and power cable) Color: Black Product size: 8.5x8.5x19.5cm or 3.35x3.35x7.68in Net weight: 150g or 4.94oz Package Content: 1X Wireless Headphone 1X FM Transmitter (stand) 1X Audio Cable 1X Y Adaptor Cable 1X User Manual