Calorie counter MP3 players

The Bottom Line: The Haier America Trainer is a suitable option for fitness fanatics who want to kill multiple birds with one stone, as it's an MP3 player, a pedometer, a heart rate monitor, and has fitness-tracking software in one handy package.

Specs: Digital player / radio, 2 GB, MP3, WAV, WMA, Lithium polymer Rechargeable Player batteryInternal

The Bottom Line: The NW-S200 Walkman proves once again that Sony knows what it's doing in the hardware department; fitness-minded users should take a close look at this flash MP3 player. But make sure you're comfortable with SonicStage before you commit.

Specs: Digital player / radio, 2 GB, AAC, MP3, WMA, ATRAC3, ATRAC3plus, Lithium ion Rechargeable Player batteryIntegrated

The Bottom Line: The NW-S200 Walkman proves once again that Sony knows what it's doing in the hardware department; fitness-minded users should take a close look at this flash MP3 player. But make sure you're comfortable with SonicStage before you commit.

Specs: Digital player / radio, 1 GB, AAC, MP3, WMA, ATRAC3, ATRAC3plus, Lithium ion Rechargeable Player batteryIntegrated

The Bottom Line: Although it's packed with useful, fitness-oriented features, the RCA Lyra RD2212 is disappointing overall, thanks to a flawed design.

Specs: Digital player / radio, 256 MB, MP3, WMA, Audible, Protected WMA (DRM), 1 x Alkaline AA type Standard battery

The Bottom Line: Although it's packed with useful, fitness-oriented features, the RCA Lyra RD2212 is disappointing overall, thanks to a flawed design.

Specs: Digital player / radio, 512 MB, MP3, WMA, Audible, Protected WMA (DRM), 1 x Alkaline AA type Standard battery

The Bottom Line: Although it's packed with useful, fitness-oriented features, the RCA Lyra RD2212 is disappointing overall, thanks to a flawed design.

Specs: Digital player / radio, 1 GB, MP3, WMA, Audible, Protected WMA (DRM), 1 x Alkaline AA type Standard battery

The Bottom Line: The X2 Mega Player is a decent device for those who need all the fitness-friendly extras, but with a sometimes frustrating user interface, it makes a poor choice for casual users.

Specs: Flash player, 1 GB, MP3, WAV, WMA, Lithium ion Rechargeable Player batteryInternal

The Bottom Line: The X2 Mega Player is a decent device for those who need all the fitness-friendly extras, but with a sometimes frustrating user interface, it makes a poor choice for casual users.

Specs: Flash player, 256 MB, MP3, WAV, WMA, Lithium ion Rechargeable Player batteryInternal

Specs: Digital player / radio, 1 GB, MP3, WMA, Audible, Protected WMA (DRM), Lithium Rechargeable Player batteryIntegrated

Specs: Digital player / radio, 2 GB, MP3, WMA, Lithium Rechargeable Standard batteryIntegrated