SKG Powerful Neck and Shoulder Tapping Massager - Electric Massager for Neck and Shoulder - Neck Shoulder Massager Machine (70W, 21 Massage Programs, 15 Intensity Levels) The Only Official SKG Brand Store At Amazon. Seller --- SKG Staff; Product --- U.S. Standard; Price --- Wholesale Outlet. For U.S. customers, this product comes with 1-Month Free Trial & 2-Year Warranty. 90W powerful tapping massager produces soothing massage sensations that are similar to that given by a massage specialist, good for long term health benefits. During massaging, the product generates moderate amount of heat to help metabolism and blood circulation, yet it should be still considered as a manipulation product. One 15-minute session is sufficient to relax muscles and hence ease tiredness and tension. The product has the 15-minute auto shut-off feature for convenience. Overload protection system ensures product durability.