Your personal relaxation expert! Your Chirp Halo Wireless Muscle Stimulator- Double includes two wireless Halo stimulators that come nestled in a sleek magnetic charging case, ready to melt away muscle pain instantly. Chirp thought of everything with 6 pre-programmed cycles and an intuitive app that guides you through pad placement and a blissful recovery session - it's like having a spa day anytime, anywhere. Just sit back, relax, and let this FDA-approved device take the stress out of TENS and EMS therapy. *Chirp prices are too low for additional discounts or coupons to be applied.