38 reactions · 4 comments | ENDS TODAY: Halo Sport for $269 with Ben's exclusive deal. Use code: GREENFIELD "Halo Sport 2 can help you learn a new instrument faster, get through a workout with reduced perceived exertion, and race harder." - Ben Greenfield on why Halo Sport 2 is a must-have for every biohacker | Halo Neuroscience | Facebook

649 reactions · 49 shares | Bulletproof fans can use code: BULLETPROOF to get the best price on Halo Sport 2. Bulletproof founder and lifelong biohacker, Dave Asprey tested Halo Sport — and dubbed it "every biohacker’s dream." | Halo Neuroscience | Facebook