Halo's second-gen brain stimulating headphones run $399 | TechCrunch
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Laser Light Show Headphones : Halo Wireless Interactive Headphones
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Company claims its brain-zapping headphones will make you a better athlete | Ars Technica
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Halo Sport headphones supercharge your brain to make you better at sports | Digital Trends
US Olympic track star out to prove Halo Sport headphones make him faster, stronger - CNET
Halo Neuroscience makes its brain-juicing athletic headphones available to all | TechCrunch
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Tritton Halo 4 Trigger Black Headband Headsets for sale online | eBay