# data[].attributes.body
In 1891, Ernest Jules Pierre Mercadier made a flat of headphones, it was thought for a better communication, privacity, conectivity and comfort.

# data[].attributes.body
In 1910, Nathaniel Baldwin (Electrical engineer) created the Blady Phones in kitchen of his house. Were used by US navy during First World War, but he didn't patent it.

# data[].attributes.body
In 1930, company Beyerdynamic massive production of DT 48 model began.

# data[].attributes.body
In 1958 John C. Kross and Martin Lange created these two models of headphones, which has stereo sound, large speakers and head strap. Were created for be used in house.

# data[].attributes.body
In 1979 company Sony created the Walkman, which has 60 minutes of battery to hear music through a cassette.

# data[].attributes.body
In 1989, Amar Bose improve headphones, now they has quiet comfort and were created for aviation.

# data[].attributes.body
In 2001 Steve Jobs collaborated with Apple to create the IPod, with its emblematical with headphones white.

# data[].attributes.body
In 2008 Dr. Dre and Jimmy Lovine rebuilt headphones design. Today these are most popular headphones in market.

# data[].attributes.body
In 2016 Apple redesign headphones, now with bluetooth connection and battery with many hours of duration.

# data[].attributes.headline
PRESENTATION MADE BY JUAN SEBASTIAN RAMIREZ INFANTE

# data[].attributes.subject
PRESENTATION MADE BY JUAN SEBASTIAN RAMIREZ INFANTE

# data[].attributes.body
Thanks for your attention =)