备注： * VHF/RF wireless headphone * The antenna of receiver and transmitter is built inside * Two independent receiving bands for wireless headphone and FM radio * Can be used as a portable FM radio with auto-tuning function * Can be used as a wired stereo headphone without batteries * Free talking on internet with built-in microphone on the transmitter * Power supply of transmitter: Requires 2xAAA (1.5V) batteries
