He purchased a $3 spy ear, a simple 3 transistor amplifier, and attached a stethoscope end. Little modification was necessary, mainly just scraping a bit more space in the microphone tube.

Spy microphones ... low battery. The microphone’s versatility is highlighted by its four working modes: Mute, Reverb, Noise ...

Spy: A modern study of microphone bugs operation and detection talk at 34C3. You can find the slides here, and their white paper here. Focusing their research primarily on FM radio transmitter ...

Rings and watches track vitals, while Ray-Bans now come with cameras and microphones. Wearable tech has even broached ... A magnetic clip attaches one temperature sensor to a wearer's ear while ...

The best hoop earrings are among the most essential pieces of jewelry in one’s collection. They’re a must-have, a go-to, a classic staple—not to mention, an instant confidence boost.

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Her glamorous style is embodied in the glittery necklace and earrings, while her hair is ... They also put a golden microphone in her hand, as an homage to the numerous awards she has collected ...

Our list of best cheap headphones includes wired, wireless, on-ear, over-ear and in-ear options, prioritising sound, comfort and utility.