Wireless IR (infrared) stereo headphones.

• Comfortable and adjustable head band
• Powered by 2 x AA alkaline batteries (not supplied)
• Volume control
• Dual channel, 'A' & 'B' switchable (QHP2)
• DeLuxe single channel model (QHP1)

Part number: QHP1 - Single channel - silver (suits Q330 and Q360)

Part number: QHP2 - Dual channel - black (suits Q410 and Q440)

 QHP1

By their nature, IR headphones are quite directional and are not designed to operate on a widespread band. (Just like most home TV remotes) The listener should ideally be situated directly in front of the transmitting device.