Rock 4

$499.99 $450.00

In many ways, the Rock 4 delivers on those design expectations (and in many other ways, as you can see in our full Rock 4 review here), but if you’re really longing for something totally different, look to the Rock 4 Plus. The Rock 4 Plus is significantly larger, noticeably thinner, and — perhaps most importantly — offers far more endurance on a single charge than any previous Rock 4