The Halo Sport headset. Photo: Edward Wong

US$750 brain-zapping headset said to help athletes improve performance is tested by Hong Kong gym-goers

Doubling as headphones, the Halo Sport features rubber spikes that deliver a small electrical current through the scalp and into the brain, helping users retain newly learned skills

Topic |   Health and wellness

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The Halo Sport headset. Photo: Edward Wong
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