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.
About Bose. The Bose Corporation is known best for being a pioneer innovator in the production of high-end speaker systems. Bose Corp. was founded in 1964 by Dr. Amar G. Bose, a professor at the Massachusetts Institute of Technology (MIT). Bose works constantly to research and develop new technology that will better the lives of their customers.