2.4Ghz optical wireless headphone
Effective in 10m

Features:

Frequency: 2.4G
Wireless headset specilized for PC,
 with double micro-phone transceiver device.
Clear voice effect
Support PC windows2000/xp/vista system
Connect ways: Pairing automatically, LED direction
With wireless frequency-hopping technology,
 with strong anti-interference ability
Communication Range : Up to 10meters.
Big caliber receiver with soft leathern
sheathe wearing comformatable
Flexible adjustive pole
Battery: DC 3V (2XAAA battery )