10 cool gadgets that are not what they seem

8. Bowers & Wilkins Custom Theatre
£2,400-£10,250 • Bowers & Wilkins 01903 221500
Face it, home cinema is about as family-friendly as a rottweiler with rabies, which is why stowing your speakers away in your home's walls or ceilings makes perfect sense. Bowers & Wilkins' Custom Theatre series, though, is more serious than most - offering videophile audio quality without comprise, even though the speakers have been designed to be heard and not seen. The Custom Theatre series can be teamed with AV receivers than can also stowed away inside custom enclosures, while control of the whole shebang is made possible by wall-mounted or desktop touch panels. Fitting all this lot isn't just a weekend DIY project, though - you're better off getting the experts at CEDIA in.

9. sWap Watch
£249 • iWoot.com 0844 573 7070
You might think that waving your iPhone or iPod touch around on your daily commute is a sure way to attract admiring glances, but it can also bring you the wrong kind of attention - from muggers to Mac haters. Better is this stealthy watch which is enables you to check your emails, send and receive texts, surf the net, listen to your favourite track and even watch or make movies on its tiny 3.81cm screen. The sWap comes with 512MB of RAM on board, but you can increase that by up to 2GB by slotting in a MicroSD card. It even comes with a Bluetooth headset for hands-free calling.

10. Wi-Fi Detecting T-shirt
£19.95 • Firebox.com 0844 922 1010
Nothing quite spells out geek quite like a t-shirt with a computer on it, but there's more to this than meets the eye. Wander into the range of a public Wi-Fi network and the front panel lights up like a Roman candle at a fireworks party. That not only makes it safer and stealthier than waggling your netbook around in public, it might even win the admiration of those bespectacled girls in the coffee shops you like to frequent. The 'T' is powered by two AAA batteries and it's available in sizes from S to XL. It also comes in navy blue or green.

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