Emerson Wireless 5 IN 1 Ultimate Headset. Compatible with: TV, PC, MP3, Audio, and CD/DVD. Hi-Fi for beautiful sound with high sensitivity, strong signal provides both outstanding performance and resistance to inference with an effective range of over 8 meters! Effortlessly transmits through walls and other obstacles! Difficulty hearing? Increase the volume for yourself without blasting others out of the room! Watch TV in bed without disturbing your spouse! Features: Wireless Headphone, Wireless Net Chat, Monitoring, FM Radio, Wired Headphone, Wireless reception from any electronic device with audio output such as full-channel TV sound, Computer sound, DVD players, MP3 Players, and CD players.Wireless monitoring; place the base station nearby who or what you want to monitor, plug a microphone into the jack on the base station. The sound will come through clearly to the wireless headphones! FM Radio:The headphones themselves receive FM stereo radio without the use of the base station. Simply use the SCAN key on the headphones to select your station! Wired Use: When equipped with the audio cable, the headphones can be used as a standard wired device. Good for areas with radio interference where wireless mode will not function!