• Bluetooth 4.0 Wireless Technology
  • Lightweight, Durable Design
  • Multipoint Technology
  • Multifunction Controls On-Board
  • Hands-Free Calling with cVc®
  • 25+ Hour Rechargeable Battery


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Free Domestic
Shipping & Returns

Free Domestic Shipping & Returns

Get fast, free shipping on all orders within the continental United States. Expedited 2-Day shipping is also available at discounted rates.

Buying overseas? International shipping to over 100 countries is available at discounted rates via DHL Express or Priority Mail International.

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The World's Best

The World's Best Warranty

Every 66 Audio product comes with our world-class hardware warranty guaranteeing your product free of any defects for 1-year. And 24/7 U.S. based technical support ensures you receive the best care in the world no matter the problem. Rest easy knowing we're a quick email away.

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Learn more about the incredible BTS SPORT

Question and Answers

  • Is my BTS water-proof?

    Your BTS is sweat-proof, meaning it will withstand normal moisture during the active lifestyle. It is not, however, waterproof.

  • What devices are compatible with my BTS?

    Your BTS is compatible with most Bluetooth®-enabled devices including iPhone, iPad, iPod Touch, Apple Watch, Android smartphones and tablets, and most Mac or PC computers. A2DP, advanced audio distribution profile, required

  • How long will my BTS last on one charge?

    On a full charge, your BTS will give you over 25 hours of continuous playback or over 400 hours of standby.

What’s in the Box

BTS Sport Bluetooth wireless headphones come with a micro-USB charging cable, deluxe microfiber pouch, user guide, and welcome materials.