Sigma Sport Activo Fitness Tracker<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Compatible with the active app for individual settings and evaluation via Bluetooth Smart </span></li><li><span class="a-list-item"> Battery/charge indicator， battery life of up to 8 days </span></li><li><span class="a-list-item"> Fastenable wrist strap， comfortable to wear thanks to silicone wrist strap </span></li><li><span class="a-list-item"> Easy-to-read display for left and right handers </span></li><li><span class="a-list-item"> Number of steps， distance， calories </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41-Lu1o7FZL.jpg" noproxy>