Your iPhone can now keep pace with your workout. Cadence is an iPhone/iTouch app that lets you browse through your music collection by tempo.

The app, once installed and set up, presents an icon of a metronome. This is the interface that you use to choose your preferred beats-per-minute, and the app then browses your music collection to select songs matching your preference. Going on a long-distance ride? Set it at a steady pace matching your preferred cycling cadence. Climbing a hill? Turn up the tempo; turn up your cadence.

In order to make Cadence work most effectively on your iPhone, it’s recommended that you use Cadence Desktop to sort your iTunes library by tempo. This can take some time, and only functions (currently) on a Mac. After doing that, re-sync your iPhone to your desktop iTunes, then run Cadence, which does its own sorting through, and you’re good! Once you’ve begun to rely on this app, of course, you’ll be cognizant of making sure that all your new music imports come with tempo meta-data attached, which will simplify the process greatly for future downloads.

The Cadence app is sensitive to anything from 70 beats per minute to 200 beats per minute, and the app includes a tap feature that lets you move up or down the beats per minute scale one beat per minute at a time while you’re on the go. This is great for when you feel yourself starting to lag during a workout and just need to turn up the pace a notch or two.

Cadence website: www.cadenceapp.com

Buy Cadence on the App Store

See also: Runner’s music

Music is what moves your feet. And for moving our feet, MP3 players have been a huge improvement over the old cassette players and then the CD players that we used to have strapped to our waists while walking/jogging/biking/(fill in activity here). MP3 players are compact, lightweight, and hold entire music libraries to motivate us in every kind of weather/scenery/competition/(fill in setting here).

But there’s still the annoying wire that runs between the player and your ears. It breaks. It gets caught on things. It gets tangled up. It gets in the way. Wouldn’t it be great to just eliminate it? And maybe without the risks and expensive equipment involved in something like Bluetooth?

The Sony Headphone-Style Walkman MP3 player solves all of that.

On the MP3 side, it’s simple but high-quality: 2 GB storage; Sony’s very cool Zappin option that, when scanning through music, goes to a part of the mail melody instead of the beginning of the tune; MP3/WMA compatible, and 90 minutes of playing time with only a 3-minute charge, with a total battery life of 10 hours playing time.

On the headphone side, the 13.5mm EX headphones provide exceptional sound with noise attenuation.

On the wire side, there isn’t any. Sony has combined the MP3 player and the headphones in a non-bulky, simple spiral design that’s barely larger than headphones alone.

Head over to Amazon for the Sony Headphone-Style Walkman MP3 Player

Your gym is great, but noisy. Your bike route is challenging, but the nearby train tracks really destroy your concentration. Your walking path is picturesque, but not sound-friendly. Instead of finding a new gym, bike route or walking path, find Sennheiser’s CX 380 Sport II earphones. These are ear-canal phones, designed to fit snugly into the outer part of the ear canal to deliver the finest of sound qualities directly to your ear.

The quality of the bass-driven stereo sound will leave you amazed that it’s coming from earbuds. The non-linear harmonic distortion of the CX 380 is less than 0.2%. (Non-linear harmonic distortion is a term for sounds that are inserted into the output by the headphones themselves; it’s caused by the difference between the actual physical movement of the parts of the headphones to produce sound and the composition of the electronic signal intended to produce the sound.)

Each set of Sennheiser CX 380 Sport II earphones includes a set of ear adapters. One size does not fit all, so these are included in three different sizes to make sure they fit you. Proper fitting of the earbuds results in excellent passive noise attenuation, dampening ambient noise while letting you enjoy your preferred tracks.

Sennheiser even made sure that the earbuds are water-resistant so that they won’t be damaged by sweat that’s produced by a great workout.

Go get the Sennheiser CX380 Sport II Earphones