Find your perfect size!
Not sure which OpenRun size is best for you? See these different ways to find your perfect fit below!
If you do not have a measuring tape at hand, household items, like an extension cable cord, can work too!
Step 1: Grab a flexible cable (e.g. usb cable) and a ruler. Align the left side of your cable with your lower left ear as shown in the image. If you’re using tailor’s measuring tape, align the left side of the measuring tape behind your left ear in the same way.
Step 2: Hold the end of the cable/measuring tape steady on the left side and pull the right side along the back of your head until it meets your right ear. Mark the point.
Got It, What’s next? >

Step 3: Remove the cable/tape from behind your head, straighten the cable/tape and read the length.

If your measurement is 9.25 inches or shorter (23.49 cm), OpenRun Mini will fit you best.

If your measurement is more than 9.25 inches(23.49 cm), OpenRun will fit you best.

Still not sure about your best fit?
Download and print out our printable measurement tool here for more accurate results! Please be sure to print the tool at 100% dimension size, not the scale to fit dimension. For information about how to use the printable tool, please see page 2 of this size guide. Download Size Guide >


Bone Conduction Open-Ear Endurance Headphones
Open-Ear Comfort Desktop Image Open-Ear Comfort Mobile Image

Open-Ear Comfort

Our open-ear design, powered by bone conduction technology, allows for total awareness of surroundings and bud-free, comfortable listening.

Available in 2 sizes to maximize comfort and ensure a secure fit. OpenRun Mini has a 0.83 inch shorter band size.

IP67 Waterproof

An IP67 rating makes these completely sweat and waterproof to welcome intense workouts and extreme weather. A moisture detection alert ensures safe charging. Not intended for swimming.
IP67 Waterproof Desktop Image IP67 Waterproof Mobile Image

Outstanding Sound Quality

Powered by patented 8th generation bone conduction, Bluetooth 5.1, and PremiumPitch™ 2.0+, OpenRun delivers clear sound, powerful volume, and a rich bass.
Outstanding Sound Quality Desktop Image Outstanding Sound Quality Mobile Image

Secure Fit

Meet your new favorite training partner. Designed for athletes, our wireless headphones stay put for all-day listening while keeping you motivated and aware of your surroundings.
lightweight <br>Secure Fit Desktop Image lightweight <br>Secure Fit Mobile Image

8-Hour Battery Life
Quick Charge

With 8 hours of battery life and easy commands such as play, skip, pause, and back-a-track, you can enjoy music, calls, audiobooks, and podcasts all day long.

OpenRun also features a 10-minute Quick Charge for up to 1.5 hours of battery life.*

*This data is gathered at the Shokz laboratory and is tested by playing ACC encoded audio at 75% volume on iOS14 mobile devices. The actual battery life will be affected by the type of audio, volume, temperature of your environment, and output of the USB port used to charge your headphones.

8-Hour Battery Life <br>Quick Charge Desktop Image 8-Hour Battery Life <br>Quick Charge Mobile Image
① This data was the result of a test that was conducted using OpenRun paired with iPhone 12mini (version: ISO14.3).
Test conditions: Paired OpenRun with iPhone 12mini, adjusted to the standard EQ mode, played the music App on the IOS system, play the Lenka-Trouble is a Friend (Hi-Res). wav file, and set the volume to around 80% of the maximum volume.
Test content: OpenRun battery was fully discharged and then charged to 100%. The audio file was played until running out the battery life.
The test result showed that the OpenRun had a continuous playback time of up to 8 hours. In actual use, battery life depends on device settings, environment, usage, and many other factors.
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