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2. The best wireless headphones for seniors in 2025 - AOL

   www.aol.com/lifestyle/best-wireless-headphones...

   Modern over-the-ear headphones offer incredible sound and impressive noise-cancelling, often for a surprisingly low price. (Photos: 1More, Soundcore, Sony)

3. Wireless microphone - Wikipedia

   en.wikipedia.org/wiki/Wireless_microphone

   Shure Brothers claims that its Vagabond 88 system from 1953 was "the first handheld wireless microphone system for performers." [ 7 ] Its transmitter used five subminiature vacuum tubes and could cover an area up to 5,000 square feet (a line-of-sight distance up to 40 feet (12 m) from the receiver), using FM at a carrier frequency of 2.1 MHz. [ 8 ]

4. Audio headset - Wikipedia

   en.wikipedia.org/wiki/Audio_headset

   General 3.5 mm computer headsets come with two 3.5 mm connectors: one connecting to the microphone jack and one connecting to the headphone/speaker jack of the computer. 3.5 mm computer headsets connect to the computer via a sound card, which converts the digital signal of the computer to an analog signal for the headset. USB computer headsets ...

5. Headphones - Wikipedia

   en.wikipedia.org/wiki/Headphones

   In the context of telecommunication, a headset is a combination of a headphone and microphone. Headphones connect to a signal source such as an audio amplifier, radio, CD player, portable media player, mobile phone, video game console, or electronic musical instrument, either directly using a cord, or using wireless technology such as Bluetooth ...

6. List of Bose headphones - Wikipedia

   en.wikipedia.org/wiki/List_of_Bose_headphones

   The Bluetooth sunglasses were released in 2019 and come in two styles – Alto and Rondo. The sunglasses have open-ear audio, UVA/UVB protection, an integrated microphone, a Bluetooth range of 9 meters, and are also AR enabled. The battery can sustain up to 3.5 hours of streaming music playback and takes up to 2 hours to charge. [18]

7. Bluetooth - Wikipedia

   en.wikipedia.org/wiki/Bluetooth

   The Headset Profile (HSP) connects headphones and earbuds to a cell phone or laptop. The Health Device Profile (HDP) can connect a cell phone to a digital thermometer or heart rate detector. The Video Distribution Profile (VDP) sends a video stream from a video camera to a TV screen or a recording device.