1.HY-E814 FM wireless earphones 2.Headphone frequency range: 83-108MHz 3.Maximum receive ... distance: 30M 4.Power: 4*AAA HY-E814 FM wireless earphonesWireless headphonesHeadphone frequency range: 83-108MHzMaximum receive distance: 30MMulti direction ... , TV, VCD, CD, HI-FI…Applications: TV, computer, DVD, VCD, Audio devices, with FM auto scan radio6 LED light for decorationPower ...