The world's highest recorded surface temperature is 56.7 Â°C (134 Â°F) measured at Greenland Ranch in Death Valley, California, USA on July 10, 1913. The mean temperature in Dallol, Ethiopia is 34.4 Â°C (94 Â°F), the highest annual average temperature on earth.
The Wave System III is made in Columbia South Carolina. The Bose A20 and A20 Bluetooth headsets are made in the United States. The US made Bluetooth Headphones they provide are the the most advanced BoseÂ® aviation headset yet, and they are still US made. The A20Â® Aviation Headset is used primarily in the aviation industry.
Founded in 1964 by Dr. Amar G. Bose, the company sells its products throughout the world, and employs more than 10,500 people. Bose is best known for its home audio systems and speakers, noise cancelling headphones, professional audio systems and automobile sound systems.n 1988, Bose became the first company to pay for the title of official Olympics sound system supplier, providing audio equipment for the Winter Olympics in Calgary, and again four years later in Albertville, France, the latter installed and maintained by company subsidiary Bose France.