Sony announced the Smart B-Trainer at this year's CES as part of its continued efforts to log your life. This fitness-oriented device isn't the wrist band you might expect. Instead, it's a headset. Now Sony has provided a few more details, including a launch time frame. The Smart B-Trainer is scheduled to hit the US this fall.

The SSE-BTR1 headphone-integrated device comes with six sensors. There's a barometer and gyroscope, along with the tech required to measure your acceleration, cardinal direction, GPS location, and heart rate.

The companion app lets you log your runs. This means tracking how far you ran, how long you took, how high you went, how many steps, how quickly you moved, how many calories you burned in the process, and a number of other measurements.

What is perhaps the Smart B-Trainer's most interesting feature is its ability to alter music playback based on your heart rate. It can automatically select music based on how hard your heart is working. If your heart rate is higher, then it can play a song with a slower tempo to signal you to slow down. The Smart B-Trainer will come with 16GB of internal memory to store those songs.

Runners can also tap into training plans that guide them through runs. Some training aims at specific goals, such as burning fat and building endurance. The device will be water resistant enough to handle the resulting sweat and a decent amount of rain. It can also make calls.

Look for pricing information when the Smart B-Trainer comes to store shelves in just a few months.

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