Wearable tech was the promise of 2013, but one that failed to truly deliver. In 2014 it looks as though every manufacturer wants to be the one to crack the market, including gaming laptop maker Razer with the Nabu.Described as a discreet wearable, the Nabu was on display behind glass at the company\u2019s stand at this year\u2019s Consumer Electronics Show in Las Vegas.We weren\u2019t able to prise open the glass and get a proper play with the device, but its concept lured us in. It might not be a totally original concept, but is Razer the one to hit the nail on the head in this market space?Unlike competition such as the Nike FuelBand and its fitness-based concept, the Nabu is designed to cater for a wider remit. Email alerts, text messages - it\u2019s the device to extend your smartphone\u2019s purpose. That\u2019s hardly new, as we\u2019ve already seen the Pebble and many more wearable devices offer much the same.\u00a0READ: Pebble reviewWhat makes the Nabu different is that\u00a0it has not one but two screens - one easy to glance at like a watch face, the other designed to sit on the inside of your wrist for greater privacy. So if you have an alert showing how many steps you\u2019ve taken in a day, for example, the outer screen will show a "walking" symbol, while the interior screen will offer a full notification, words and all.Both screens looked bright and easily legible to us. Without wearing the device it\u2019s hard to figure whether frequent wrist turning would be more an irritation than successful conclusion.Another cool feature is built-in GPS, able to track your location and, should you want, allow for localised information to be pinged to your wrist.There are even programmable, gesture-based commands. A shake of the wrist or snap of fingers could mean the Nabu dives into a specific mode, for example.As with all things Razer, we\u2019re not yet sure if itwill end up in the UK. The company\u2019s gaming laptops aren\u2019t available in Blighty, so we anticipate this being a North American release from day one.