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2. The Thing (listening device) - Wikipedia

   en.wikipedia.org/wiki/The_Thing_(listening_device)

   The Thing (listening device) The Thing, also known as the Great Seal bug, was one of the first covert listening devices (or "bugs") to use passive techniques to transmit an audio signal. It was concealed inside a gift given by the Soviet Union to W. Averell Harriman, the United States Ambassador to the Soviet Union, on August 4, 1945.

3. Assistive listening device - Wikipedia

   en.wikipedia.org/wiki/Assistive_Listening_Device

   The assistive listening device usually uses a microphone to capture an audio source near its origin and broadcast it wirelessly through means of frequency modulation (FM), infrared (IR), an audio induction loop, or another method. The person who is listening may use a wireless Receiver to tune into the signal and listen at their preferred volume.

4. Wireless speaker - Wikipedia

   en.wikipedia.org/wiki/Wireless_speaker

   Wireless speaker. A JBL Flip 3 battery-powered and waterproof Bluetooth speaker connected to a charging cable. The length is ca. 17 cm, diameter 6.4 cm, weight 450 g. TV set (size 55 inch) with two Sonos Play:5 wireless HiFi speakers (WiFi-based) and a soundbar. Wireless speakers are loudspeakers that receive audio signals using radio frequency ...

5. The best smart speakers for seniors in 2023 - AOL

   www.aol.com/lifestyle/best-smart-home-speakers...

   Granted, it might not have the same oomph as a full-fledged 'bar, but it'll certainly sound better than your TV's built-in speakers. (For the record, Apple's HomePod can do this as well, but only ...

6. The Best Bluetooth Car Speakers In 2024 - Autoblog

   www.autoblog.com/article/best-bluetooth-car-speakers

   14 hours of talk time. 40 days of battery life on standby. 1-year limited warranty. This Jabra Freeway Bluetooth In-Car Speakerphone is one of many speakers from this brand, but this particular ...

7. Amazon Echo - Wikipedia

   en.wikipedia.org/wiki/Amazon_Echo

   Echo device requires one time setup by pairing it with your Alexa app which gives you more control over the features. [15] The smart speakers perform well with a "good" (low-latency) Internet connection, which minimizes processing time due to minimal communication round trips, streaming responses and geo-distributed service endpoints. While the ...