Sharper Image PowerBoost Pro Hot Cold Percussion Massager Overdid it? Perhaps a nice massage will help. Target sore muscles and seamlessly alternate between soothing heat and invigorating cold with the Sharper Image PowerBoost Pro massager. Easily manage intensity levels and customize your experience with four versatile attachments. The whisper-quiet brushless motor offers tranquil massage sessions, while the compact, long-lasting design provides on-the-go relief with a two-hour runtime per charge. Now, doesn't that feel better? From Sharper Image. Includes PowerBoost Pro massager with four attachment heads: round, hot cold, fork, and flat; USB charging cable, and storage case LED display Dual temperature: three cold and three heat temperatures ranging from 38F to 115F Includes PowerBoost Pro massager with four attachment heads: round, hot cold, fork, and flat; USB charging cable, and storage case LED display Dual temperature: three cold and three heat temperatures ranging from 38F to 115F Ultra-Quiet brushless motor Two hours of battery life per charge Power/stall force meets/exceeds minimum of 130N (Newtons) or approximately 30 lbs of force Approximate measurements: Massager 4.9" x 1.8" x 6.5" ; Round head 3" x 1.9" x 1.9" ; Hot cold head 3.1" x 1.8" x 1.8" ; Fork head 2.6" x 0.8" x 2.4" ; Flat head 1.7" x 1.8" x 1.8" ; weighs 1.62 lbs Imported