RoamEO, RoamEO, wherefore art thou RoamEO? Why, it's at www.roameoforpets.com, where you can buy a $499.99 device set that uses GPS technology to locate your pet. A portable, handheld receiver displays information transmitted from a GPS-enabled pet collar. The company says it can "pinpoint" a pet's location "within one mile in every direction." Its LCD screen shows where the pet is going and how fast. The RoamEO also can alert pet owners if their pooch or cat ventures beyond a preset perimeter and it also can track multiple pets.

Tired of lugging that bulky video projector around from meeting to workshop to conference? 3M now offers a pint-sized device to alleviate that. The 3M MPro110 ($359, www.3mmpro.com) is being hailed as the world's first handheld digital projector. Weighing only a half-pound, the MPro110 nonetheless can hook up to an iPod to watch movies, to a laptop to display business presentations or a digital camera to view photos.

Riders of four-wheelers and motorcycles might want to check out the Cardo Scala Rider Q2 Multiset ($395.95, www.cardowireless.com). The Bluetooth helmet-mounted wireless headsets let the biker chat with a passenger or another biker anywhere within 270 yards when in open country. Hooked up to a mobile phone, the Scala Rider Q2 also lets bikers chat it up, hands-free. Bikers also can receive GPS voice instructions, listen to FM radio or enjoy files from their MP3 players — incoming intercom messages and phone calls automatically override the MP3 music, so hands never need to let go of the handlebars.

Go beddy-bye the high-tech way with the Sound Oasis Sleep Therapy Pillow ($49.99, www.sound-oasis.com). It appears to be a regular 20-by-25-inch pillow, but it incorporates a pair of ultra-thin stereo speakers that can channel sound from an iPod, MP3 player, CD player, TV, radio or Sound Oasis sound-therapy system.

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E-mail: bwallace@desnews.com