Manufacturer: NaturalPoint. Bring Head Tracking to Your Headset! The perfect TrackIR accessory, clips to popular over-the-ear headsets. The TrackClip -add-on device- provides IR lights instead of reflectors and is clipped onto an audio headset instead of a hat. Combined with a TrackIR, the TrackClip PRO delivers precise 6 degrees of freedom view control. On your favorite headset, the only thing you will notice about the lightweight TrackClip PRO is your improved gaming experience! Features: Active LEDs for precise tracking; USB power tap with USB pass through & Ultra light weight.