This is the description from the Mazda USA website:
12v Ipod integration harness kit allows you to play your iPod/Iphone/Itouch through your Mazdas audio system with crystal-clear sound and a built-in battery charger. Works with all 30-pin, dock connector equipped iPods.
Fits:
CX-9 Without Navigation
CX-7 Without Navigation
2004-2008 RX-8
2004-2005 Miata
MX-5 2006-2008 Install Instructions
Mazda5 (any)
Mazdaspeed6 (any)
2005-2008 Mazda6
Mazdaspeed3 (up to 2007)
Mazda3 (up to 2007)
Original Mazda Factory part. Asking $120 or obo.
Also up for sale:
Stock Antenna: $9
Pioneer Crystal Vision Ultra (Brand new, Unopened H-1 fit): $30
OEM rear trunk emblem $12
12v Ipod integration harness kit allows you to play your iPod/Iphone/Itouch through your Mazdas audio system with crystal-clear sound and a built-in battery charger. Works with all 30-pin, dock connector equipped iPods.
Fits:
CX-9 Without Navigation
CX-7 Without Navigation
2004-2008 RX-8
2004-2005 Miata
MX-5 2006-2008 Install Instructions
Mazda5 (any)
Mazdaspeed6 (any)
2005-2008 Mazda6
Mazdaspeed3 (up to 2007)
Mazda3 (up to 2007)




Original Mazda Factory part. Asking $120 or obo.
Also up for sale:
Stock Antenna: $9
Pioneer Crystal Vision Ultra (Brand new, Unopened H-1 fit): $30
OEM rear trunk emblem $12