Ending today, BuyDig offers the Jawbone UP Wristband in Onyx, model no. JBR52a-MD, for $100. Apply coupon code "VMEVDAY20" and checkout via V.me by Visa to drop the price to $80. With free shipping, that's $20 under our mention from last month and the lowest total price we could find today, also by $20. It features a smart alarm, food journal, and vibrating alert. It comes in size M and is compatible with most Bluetooth-enabled handsets.