for Apple iPod Nano 3 Nano 5 Click Wheel Flex Cable Headphone Jack Flex Cable For iPod Nano 5 Central Button Flex Cable Test Top|Mobile Phone Flex Cables| - AliExpress
iPod Classic - Wikipedia
Apple iPod Nano (2nd Generation) - The Gadgeteer
Amazon.com: 2.5mm Female to 3.5mm Male Headset Adapter Headphone Jack Converter Supports Hands-Free Mic for iPod Nano 5th Gen, 7th Gen, Touch 1st Gen, 2nd Gen, 3rd Gen, 4th Gen, iPod Touch