Tethered headsets are physically connected to the laptop or computer. It is a much more complex system that gives an ultimate VR experience. The VR headset for iPhones works pretty well with iPhone, giving the user an awesome virtual reality experience.
DHA (docosahexaenoic acid) is an omega-3 fatty acid often recommended to women during pregnancy. Thought to protect against a number of pregnancy-related complications, DHA is also said to promote the health of the developing child.
Vegetarian sources of DHA come from seaweed. Omega-3 fatty acids are good for your heart, and your body needs DHA for a healthy brain. Infants need DHA, especially during the first 6 months of their lives, so their brains, eyes, and nervous systems can develop as they should.