Green MP3 players

The Bottom Line: No other MP3 player on the planet packs more features, from video to a pedometer, into a smaller package than the overachieving Apple iPod Nano.

Specs: Digital player / radio, 8 GB, AAC, MP3, WAV, AIFF, Audible, Apple Lossless, Lithium ion Rechargeable Player batteryIntegrated

The Bottom Line: No other MP3 player on the planet packs more features, from video to a pedometer, into a smaller package than the overachieving Apple iPod Nano.

Specs: Digital player / radio, 16 GB, AAC, MP3, WAV, AIFF, Audible, Apple Lossless, Lithium ion Rechargeable Player batteryIntegrated

The Bottom Line: The third-generation iPod Shuffle is the next best thing to an invisible MP3 player, but the quirky controls and microscopic design make it a limited recommendation.

Specs: Digital player, 4 GB, AAC, MP3, WAV, AIFF, Audible, Apple Lossless, Lithium polymer Rechargeable Player batteryIntegrated

The Bottom Line: The third-generation iPod Shuffle is the next best thing to an invisible MP3 player, but the quirky controls and microscopic design make it a limited recommendation.

Specs: Digital player, 2 GB, AAC, MP3, WAV, AIFF, Audible, Apple Lossless, Lithium polymer Rechargeable Player batteryIntegrated

The Bottom Line: The Samsung S3 Slim MP3 player is a solid option for budget-minded users with an eye for design and an ear for audio.

Specs: Digital player / radio, 4 GB, MP3, WMA, Lithium polymer Rechargeable Player battery

The Bottom Line: The fourth-generation iPod Nano is easy on the eyes and the wallet, and you can't beat its hardware and user interface design. Just be sure to give iTunes 8 a spin before committing.

Specs: Digital player, 8 GB, AAC, MP3, WAV, AIFF, Audible, Apple Lossless, Lithium ion Rechargeable Player batteryIntegrated

The Bottom Line: The fourth-generation iPod Nano is easy on the eyes and the wallet, and you can't beat its hardware and user interface design. Just be sure to give iTunes 8 a spin before committing.

Specs: Digital player, 16 GB, AAC, MP3, WAV, AIFF, Audible, Apple Lossless, Lithium ion Rechargeable Player batteryIntegrated

The Bottom Line: The Samsung S2 Pebble is a simple, cute MP3 player that offers a super affordable price tag, good sound quality, and some compelling extras. It's a great option for those who like to wear their devices pendant style.

Specs: Digital player, 1 GB, MP3, WMA, Ogg Vorbis, Lithium polymer Rechargeable Player batteryIntegrated

The Bottom Line: The 4GB and 8GB capacity Zunes (Zune 4 and Zune 8) offer a bite-size version of their full-size, 80GB sibling. While the full-size Zune is a better value, the solid-state flash memory used in the 4GB and 8GB versions make them better suited for physically active (or clumsy) users.

Specs: Digital player / radio, 8 GB, AAC, MP3, WMA, Lithium ion Rechargeable Player batteryIntegrated

The Bottom Line: The 4GB and 8GB capacity Zunes (Zune 4 and Zune 8) offer a bite-size version of their full-size, 80GB sibling. While the full-size Zune is a better value, the solid-state flash memory used in the 4GB and 8GB versions make them better suited for physically active (or clumsy) users.

Specs: Digital player / radio, 4 GB, AAC, MP3, WMA, Lithium ion Rechargeable Player batteryIntegrated