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Headphones grew out of the need to free up a person's hands when operating a telephone. [7] By the 1880s, soon after the invention of the telephone, telephone switchboard operators began to use head apparatuses to mount the telephone receiver. [8] The receiver was mounted on the head by a clamp which held it next to the ear. [9]
A very common application is a hands-free Bluetooth earpiece for a phone which may be in a user's pocket. There are two types of Bluetooth headsets. Headsets using Bluetooth v1.0 or v1.1 generally consist of a single monaural earpiece, which can only access Bluetooth's headset/handsfree profile.
Modern over-the-ear headphones offer incredible sound and impressive noise-cancelling, often for a surprisingly low price. (Photos: 1More, Soundcore, Sony)
In the early 1900s, the U.S. proudly used pit bulls on WWI posters to symbolize qualities that make up America - friendly, courageous, hard working and worthy of respect. I chose my name because I admire the breed for the same reasons. When I hear about pit bulls being used in dog fighting, it makes me angry. I have a choice to step into the ...
The result of over 60 photoshoots, six jars of peanut butter, and hundreds of hours of editing is now a coffee table book, Pitbulls and Peanut Butter, showcasing over 60 derpy and adorable land ...
Ordinary products, such as hands-free headsets or headphones; Bone-anchored hearing aids and assistive listening devices; Specialized communication products (e.g. for underwater or high-noise environments) One example of a specialized communication product is a bone conduction speaker that is used by scuba divers.
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Hands-free phone kit fitted to a Saab 9-5.. Handsfree is an adjective describing equipment that can be used without the use of hands (for example via voice commands) or, in a wider sense, equipment which needs only limited use of hands, or for which the controls are positioned so that the hand can occupy themselves with another task (such as driving) without needing to hunt far afield for the ...