iPhone Quick Connect port (cable sold seperately) Carbon Fiber style finish (2) H42 behind-the-head ultimate headsets All new transformer based platform Dynamic noise cancelling mic (1) RRP660 Intercom 2 to 4 place with the ability to expand up to 8 places Hardwired coil cord (2) 12' Offroad Cables RF Shielded Extruded Housing Molded offroad plug (1) iPod/MP3 music cable VOX control for clear communications in loud environments Large comfortable gel ear seals (1) Coil cord driver PTT Music In with auto muting Cloth ear covers (1) Straight cord passenger PTT Detachable rear music/cell/audio port connection High bend test cabling Exclusive housing with adjustable depth and angle mounting Easy to use volume control Precision tune mic gain control Isolated grounds for eliminating ground loop issues High output amplifier for outstanding music listening Optional panel mount face plates