A Google employee demonstrates playing a video on a phone and transferring it to a television using Google Chromecast: the device offers a cheap way to get internet on to your HDTV, bringing online video and music to the living room at about a third of the price of Apple TV. Photograph: Justin Sullivan/Getty Images

Google’s app-operated device allows you to display content from your phone or laptop on your TV

Swedish firm Coloud offers new earphones aimed at ‘urban adventurer’

Four-in-one lens system offers fisheye, macro and wide-angle lens options

Expert guitar help in the palm of your hand

The Little Big Planet star brings a modicum of cuteness to the the ranks of runners

Flying through space while jumping to the beat of dubstep can be a hypnotic experience – or it can drive you to distraction

Ohm  teams a Bluetooth speaker and a wireless inductive charging mat to make one handy unit for your bedside table

Ohm powers Qi-enabled devices – Samsung, HTC, Sony smartphones

GoXtreme Wifi View camera is waterproof up to 45 metres, so you can take it swimming, surfing or even just for a rain-soaked run.

Action camera’s 5mp sensor takes decent photographs and video footage

 For $99, beginners or experienced guitarists can take the pain out of tuning guitars with the Roadie Tuner

Device teams up with app to give you perfect tuning every time

More articles