In Pictures: 12 Bluetooth gadgets for geeks

Bluetooth, the short range wireless data communications technology, is in a huge range of products these days, and not just computers and phones.

If you play golf and you’re a geek you’ll definitely want the Garmin Approach S4 Touchscreen GPS golf watch. With a sunlight readable, high-resolution display, its easy to use on the links and comes preloaded with over 30,000 international courses. The display shows the distance to the front, back and middle of greens plus layups and doglegs and provides detailed stats tracking. And so you never have to take your smartphone out, the Approach S4 links to your smartphone via Bluetooth to display email, texts and alerts. At $300 it’s not cheap, but it could improve your game enough that people will be buying you drinks at the 19th hole which could soon make the purchase a break-even.

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