Sony SmartBand 2

Sleek design, heart rate sensing, physical notifications, and functional water resistance are all undermined by buggy, inconsistent performance at almost every level

Choosing a fitness tracker in 2015 has to be one of the toughest tasks known to mankind. There are hundreds of products jostling for your attention, from smartphone apps to simple step trackers, right up to specialist devices for serious

Sony’s second SmartBand lacks the pace-sensing skills for success

Sony hopes to discreetly, stylishly improve stress levels.

Sony isn’t new to the wearable world, but its latest attempt is a tad puzzling, bringing sensors to a very small gadget with no sense of why you should buy it over everything else.