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Amazon.com: Motocross Bluetooth Helmet for Dirt Bike and Mountain Downhill Bikes, Full Face Motorbike MX ATV Off-Road Helmet Built-in Speaker Bluetooth Headset DOT Certified with Goggles Gloves Mask-A|Small : Automotive

Amazon.com : LIVALL EVO21 Smart Cycling Helmet Bike Helmet with Bluetooth, Black : Sports u0026 Outdoors

Amazon.com: Motorcycle Motocross Bluetooth Helmet Downhill Dirt Bike Helmet Set with Built-in Speaker Headset DOT Certified MTB Off Road Mountain Full Face Helmet for Mountain Bike Four Wheeler Mx-A-Small : Automotive

Safe-Tec THOR Bicycle Smart Helmet with Bluetooth Speakers | eBay

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Mini-speakers for bike helmets let riders hear more than just their music