New Apple iPod Classic 6th & 7th Generation Hot Pink Metal / White / Hot Pink Metal (Rose Gold) Capacity & Battery:128GB (2000mah) as many of your questions

as many of your questions are likely answered there

USB audio and haptic feedback here

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

160GB is supported by any of the above models simply by using the proprietary HDD flex cable & the thick dual-platter 160GB Samsung/Toshiba HDD

Why did you cut a hole in the back

New Apple iPod Classic 6th & 7th Generation Hot Pink Metal / White / Hot Pink Metal (Rose Gold) Capacity & Battery:128GB (2000mah) as many of your questions128GB 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