Think 24/7 Web Search

  1. Ads

    related to: how do wireless earbuds work with cell phone power

Search results

  1. Results from the Think 24/7 Content Network
  2. Headphones - Wikipedia

    en.wikipedia.org/wiki/Headphones

    Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby ...

  3. Sound-powered telephone - Wikipedia

    en.wikipedia.org/wiki/Sound-powered_telephone

    Modern emergency telephone powered by sound alone. A sound-powered telephone is a communication device that allows users to talk to each other with the use of a handset, similar to a conventional telephone, but without the use of external power. This technology has been used since at least 1944 [1] for both routine and emergency communication ...

  4. 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 ...

  5. 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).

  6. List of Bluetooth profiles - Wikipedia

    en.wikipedia.org/wiki/List_of_Bluetooth_profiles

    Human Interface Device Profile (HID) [ edit] Provides support for HID devices such as mice, joysticks, keyboards, and simple buttons and indicators on other types of devices. It is designed to provide a low latency link, with low power requirements. PlayStation 3 controllers and Wii remotes also use Bluetooth HID.

  7. 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 ...

  1. Ads

    related to: how do wireless earbuds work with cell phone power