"The reality of a negative impact of wearing a watch" LoC of this statement and also of the statement: "The reality of a negative impact of wearing a quartz watch"
Forbrain headset Said to improve "attention, speech and memory with just the sound of your own voice."
Halo Sport 2 Reportedly, "a brain stimulator that helps you develop muscle memory faster." There's no doubt they are headphones. Are they more than that?