The headphones feature a smooth leather headband and ear cups making them the ideal solution for watching movies, playing video games and more.

ENGADGET: Rapoo H9080 wireless headphones promise mellow bass, 10 hour battery life

Kids in both the U.S. and Japan who reported playing lots of violent video games had more aggressive behavior months later than their peers who did not, according to the study, which appears in the November issue of the journal Pediatrics.

CNN: Violent video games linked to child aggression

Overall, those most at risk for a vitamin-D deficiency were older, female, obese, drank milk less than once a week, and spent more than four hours a day watching TV, playing video games, or working on a computer.

CNN: Vitamin D deficiency common in U.S. children