Wireless
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Sony has refreshed its line of flagship noise-cancelling headphones, introducing a new model with some technological tweaks to enhance the audio experience in a few ways, while offering some of the clever functionality seen in their predecessors.
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It's been a couple of years since Sennheiser refreshed its excellent Momentum true wireless earphones, but that's now changed with the launch of third generation earbuds with improved ANC, personalized audio delivery and a fresh new look.
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In what it describes as the most significant demonstration of its kind in half a century, the US Naval Research Laboratory (NRL) beamed 1.6 kW of power over a kilometer (3,280 ft) using a microwave beam at the US Army Research Field in Maryland.
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Transmitting data from medical implants in the body can be tricky, but a new technique can essentially write data to ions in human tissue, where it can then be read from a receiver outside the body at high transmission speeds.
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DJI has announced its first dedicated audio recording system. The DJI Mic clip-on transmitter mics and wireless receiver setup is reckoned ideal for "shooting a vlog, interviews or any kind of content creation that requires high-quality audio."
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Korean mobile audiophile brand Astell&Kern has entered the crowded true wireless earphone space with the angular UW100 earbuds, which rock a 32-bit DAC, balanced armature drivers, Bluetooth 5.2 and aptX Adaptive.
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Denmark's AIAIAI has added a new flavor to its TMA-2 modular headphones system introduced back in 2015. The Wireless+ over-ears have been developed in collaboration with music producer Richie Hawtin, and are designed with creative pros in mind.
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It's only been a few years since the first true wireless earphones launched and yet the marketplace is overflowing with variations on the theme. Relods is looking to stand out from the crowd with quick-swap batteries that let the music play on.
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At the RazerCon 2021 livestream event, Razer launched new Kraken headsets with HyperSense haptic feedback technology cooked in, adding another immersive dimension to gameplay by converting sound signals into "dynamic touch-sensory feedback."
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Canada's PSB Speakers has launched the next generation of its award-winning M4U 8 wireless ANC headphones that were introduced at CES 2018, coming with improved battery life, personalized audio and a feature that recreates the feel of a room.
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When other manufacturers were racing each other to get into the wireless headphone market, V-Moda held back. The high-style company has followed a similar path with true wireless earphones, only now entering the space with the Hexamove Series.
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Wireless power transmission has potential, but range is a major hurdle. In a new proof-of-concept, Ericsson and PowerLight Technologies demonstrated a technique called optical beaming, using a laser to transmit power to a portable 5G base station.
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