I've been looking for a deal on these and finally found something worth looking at. They've been ranging from 150+ on ebay and other sites. Just figured I pass it along seeing it coming from original website.
The Certified Refurbished Smart Sock 2 has passed a 13-point inspection and includes a new fabric sock set.
Experience all the benefits of the Smart Sock 2 and save $100 while supplies last! Track your infant's heart rate and oxygen while they sleep and be notified if something is wrong. The refurbished Smart Sock comes with a 6-month warranty.