GearBest offers the Bluboo U Smartwatch in Silver, Black, or Golden for $29.99 with free shipping. That's the lowest total price we could find by $8. Features include a 1.44" TFT arc touchscreen, MTK2501 processor, aluminum case, fluoroelastomer band, Bluetooth 4.0, sleep- and step-tracking, and iOS and Android compatibility.

Note: This item ships from mainland China and may take three to four weeks to arrive.