Description Features: * Designed for those hard to reach areas like the shoulders and mid-back. * Three electronically regulated power settings for use on both thick and thin muscles with 3 distinct thumping speeds to accommodate all body types and sizes. * Design allows for one or two handed use * Anatomically designed massage spheres “hug” your spine Specifications Extra long (3.7m) plugs into wall outlet Elongated and angled handle to reach down your back Powerful 1/4”(.65 cm) percussive stroke Lightweight and portable, 1.4kg 3 computer controlled/ power settings of 20, 30 & 40 impulses/sec Temperature overload protection (auto reset) Current overload protection (auto reset) Soft, rubber massage spheres that wipes clean with damp cloth, Size Measures 33 cm Lx 15 cm Wx 14 cm HWeighs approx 1.4kg