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Here One is a pair of wireless smart earbuds developed and manufactured by Doppler Labs. It allows users to filter sound, stream music, and amplify speech. It can also be used to take phone calls and filter certain sounds, such as background noise.
A Bluetooth earbud, an earphone and microphone that communicates with a cellphone using the Bluetooth protocol. 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).
Modern over-the-ear headphones offer incredible sound and impressive noise cancelling, often for a surprisingly low price. (Photos: 1More, Soundcore, Sony)
Wireless power transfer (WPT; also wireless energy transmission or WET) is the transmission of electrical energy without wires as a physical link. In a wireless power transmission system, an electrically powered transmitter device generates a time-varying electromagnetic field that transmits power across space to a receiver device; the receiver ...
Active noise cancelling is best suited for low frequencies. For higher frequencies, the spacing requirements for free space and zone of silence techniques become prohibitive. In acoustic cavity and duct-based systems, the number of nodes grows rapidly with increasing frequency, which quickly makes active noise control techniques unmanageable.
Foldable headphones 2002 KSC75 Earclip headphones 2004 CC_01 Earphones with adjustable, in-ear fit. 2009 KDE250 Adjustable earclip headphones 2009 FitClips Earclip activewear headphones designed for women 2010 Striva World's first Wi-Fi headphones 2012 BT540i Wireless headphones with Bluetooth aptX codec: 2014 SP Series: SP540 and SP330
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