As one of its daily deals, Staples offers the PCH Digital Pulse Massager
four colors (Blue pictured), model no. 101325, for $37.99
. Plus, Staples Rewards members qualify for free shipping
. (Not a member? It's free to sign up
.) That's the lowest total price we could find by $50. It features TENS and EMS technology, adjustable 60-minute timer, eight massage modes, 20 levels of intensity, two outputs, and digital control display. Deal ends today.