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2. 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).

3. Wireless device radiation and health - Wikipedia

   en.wikipedia.org/wiki/Wireless_device_radiation...

   Since at least the 1990s, scientists have researched whether the now-ubiquitous radiation associated with mobile phone antennas or cell phone towers is affecting human health. [1] Mobile phone networks use various bands of RF radiation, some of which overlap with the microwave range. Other digital wireless systems, such as data communication ...

4. The best wireless headphones for seniors - AOL

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

   Quick Overview. More options. Sony WH-1000XM5 Noise-Cancelling Headphones. Best headphones overall. $259 at Groupon. Soundcore Q30 Hybrid Active Noise-Cancelling Headphones. Best budget headphones ...

5. Comparison of wireless data standards - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_wireless...

   Some of these technologies include standards such as ANT UWB, Bluetooth, Zigbee, and Wireless USB . Wireless Sensor Networks (WSN / WSAN) are, generically, networks of low-power, low-cost devices that interconnect wirelessly to collect, exchange, and sometimes act-on data collected from their physical environments - "sensor networks".

6. Headphones - Wikipedia

   en.wikipedia.org/wiki/Headphones

   Some headphones are wireless, using Bluetooth connectivity to receive the audio signal by radio waves from source devices like cellphones and digital players. As a result of the Walkman effect , beginning in the 1980s, headphones started to be used in public places such as sidewalks, grocery stores, and public transit. [6]

7. The best flip phones for seniors in 2023 - AOL

   www.aol.com/lifestyle/best-flip-phones-184204157...

   LIVELY Jitterbug Flip2 - Flip Cell Phone for Seniors - Not Compatible with Other Wireless Carriers - Must Be Activated Phone Plan - Red Flip Phone. Best overall flip phone. $48 at Amazon. Consumer ...