https://electronics.woot.com/offers...nee-discomfort?cjdata=MXxOfDB8WXww&utm_medium Pokytcox Cordless Rechargeable Knee Massager w/ 3-Mode Adjustable Heat on sale for $29.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is $6 per order.