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2. The best wireless headphones for seniors - AOL

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

   Sony WH-CH720N Noise-Cancelling Wireless Headphones. Best Sony XM5 headphones alternative. $98 at Adorama. Earbuds are easily lost, too, but just try misplacing a full-size headphone. Below I've ...

3. Bluetooth - Wikipedia

   en.wikipedia.org/wiki/Bluetooth

   Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to 10 metres (33 ft).

4. List of Bluetooth profiles - Wikipedia

   en.wikipedia.org/wiki/List_of_Bluetooth_profiles

   Bluetooth HID is a lightweight wrapper of the human interface device protocol defined for USB. The use of the HID protocol simplifies host implementation (when supported by host operating systems) by re-use of some of the existing support for USB HID in order to support also Bluetooth HID. Keyboard and keypads must be secure.

5. List of discontinued Bose headphones - Wikipedia

   en.wikipedia.org/wiki/List_of_discontinued_Bose...

   The "QuietComfort 35" (QC35) over-ear wireless headphones were sold from 2016 until 2018, [37] as a Bluetooth headset based on the QuietComfort 25 model. The QC35s could be used without Bluetooth as wired headphones, and the right earcup included volume controls and a play/pause button. The available colours were matte black and silver.

6. List of Bose headphones - Wikipedia

   en.wikipedia.org/wiki/List_of_Bose_headphones

   QuietComfort 20. The "QuietComfort 20" (QC20) and QC20i in-ear headphones were released in 2015 and are the company's first in-ear noise cancelling headphones. [ 19] It received a 2014 Red Dot Design Award. [ 20] Also, it received a CNET 's Editors' Choice Award of 4.5/5 points for its active noise-cancelling.

7. Nothing (company) - Wikipedia

   en.wikipedia.org/wiki/Nothing_(company)

   Announced on 27 July 2021, the Ear 1 is a set of wireless earbuds. The earbuds can be connected by Bluetooth and have up to 34 hours of battery life when used with the charging case, and up to 5.7 hours of battery life with ANC off; with 24 hours with the case used and up to four hours for the earbuds themselves with ANC on.