New Apple iPod Classic 6th & 7th Generation Teal Green Metal/ Black / Teal Green Metal (Black) Capacity & Battery:7th 160GB 5 is the most recent

5 is the most recent version supported on iPod Touch 5th

FAQ & technical information here

and it's difficult for me to process and answer accurately the sheer quantity of questions that I get

or sharing music to two sets of headphones on the bus with a friend

Matching button is Pink Plastic

New Apple iPod Classic 6th & 7th Generation Teal Green Metal/ Black / Teal Green Metal (Black) Capacity & Battery:7th 160GB 5 is the most recent128GB 256GB 512GB 1TB iPods are upgraded with SD card storage using Tarkans iFlash Solo, Dual & Quad adapters. Please note: 120GB & 128GB iPods are a mix of 6th & 7th Generation logic boards. If you prefer one over the other, please include it in your note. All iPods come with a new USB charge sync cable! Limited Warranty Information & FAQ Access Here