iPod shuffle 4th Generation)

Essentials
Family: iPod
Codename: ?
Minimum OS: iPod shuffle 4G OS 1.0
Maximum OS: iPod shuffle 4G OS 1.0.1
Introduced: September 2010
Processor
CPU: Samsung ARM
CPU Speed: ?
FPU: none
Register Width: 32-bit
Data Bus Width: 32-bit
Address Bus Width: 32-bit
ROM: ?
Onboard RAM: ?
Maximum RAM: ?
Storage
Flash Drive: 2.0
Input/Output
USB: 2.0 (via dock)
Audio Out: stereo 16 bit mini
Miscellaneous
Battery Life: 15 hours
Dimensions: 1.14" H x 1.24" W x 0.34" D
Weight: 0.0275 lbs.

Introduced in September 2010, the iPod Shuffle (4th Generation) brought back the on-device controls of the iPod Shuffle (2nd Generation), in addition to the (less popular) on-headphone controls introduced with the iPod Shuffle (3rd Generation). It was sold in 5 colors with 2 GB of storage, for $49.
Picture Credits:
Apple, Inc.