New Apple iPod Classic 6th & 7th Generation Lime Green Metal / White / Lime Green Metal (Pine Green) Capacity & Battery:7th 120GB 5 is the most recent

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

Matching button color is Teal Green Metal

I was able to get the uDUAL to fit/close with a thin backplate and the following batteries:

4 installation

New Apple iPod Classic 6th & 7th Generation Lime Green Metal / White / Lime Green Metal (Pine Green) Capacity & Battery:7th 120GB 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