Amazon has the 8 Mode CUH TENS Unit Portable Electronic Pulse Massager for $18.13 Free Shipping after Coupon Code: "8NMT28OA" (Exp Soon). This normally sells for $27.89, so you're saving 35% off with this deal. TENS electrotherapy helps to cure tiredness, promote blood circulation, improve sleeping quality and relieve body pain.
8 pre-programmed massage modes in a rectangle design
8 electrode pads
Up to 10hrs of continuous use, charge via wall charger or PC USB port
Portable, lightweight & convenient design allows you to relax at any time
LCD backlit display with easily adjustable settings on massage mode