High frequency wireless headphones

*Effectively there is not any position that limit in the range of receiving.
*The radiowave can pierce through the wall , the floor, the glass waits for objects.
*Adopt 863MHz(EU)high frequency,912.5-914.5MHz(USA) ( UHF) and convey the 3D acoustical signal distance is direct 100 meters.
*Under the same transmission frequency, can be a lot of is received.
*The transmitter has no signal automatic shut-down function while inputting signals.
*Can use various kinds of sound sources , like TV, CD/DVD,MP3/MP4 PALYER,RADIO,MD,Computer,etc.
*Using the frequency synthetic technology of newest phase locking cycle( PLL) it is steadier to wor