Shokz OpenRun Headphones - Solar Red Size:One size fits all Soft collar reduces pressure on

Soft collar reduces pressure on ankle and Achilles tendon during sprinting

regardless of how your foot lands

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6% more Boost capsules ready to explode with energy in each step

There are also profiles for track or virtual running

Shokz OpenRun Headphones - Solar Red Size:One size fits all Soft collar reduces pressure onShokz OpenRun Headphones have all the features of Aeropex but with a quicker charge. Just 10 minutes of charging time will give you 1. 5 hours of listening time. Brand new PremiumPitch 2. 0+ has been introduced to deliver a wider dynamic stereo sound and louder volume. The transducers have been re angled to reduce any vibration and enhance the sound quality including more dynamic bass. Lighter than previous models, they weigh less than 1 ounce and