A few months ago I contacted Jawbone to see if they’d be willing to send me over one of their fitness tracker bands to test drive – and much to my delight they were more than happy to. I opted for their latest UP band, the UP3TM, a multi-sensor activity tracker which tracks activity levels, calorific intake (as well as quality of food), passive and resting heart rate, and most importantly sleep. I’ve read numerous negative reviews of the UP3 –…
