This Ossur Cold Rush Compact Cold Therapy Device helps reduce pain and swelling following trauma or surgical procedures. Ergonomic pads (sold separately) fit with the body's contour to offer cold therapy to various parts of your body. Stay cool longer with an ice-to-water ration that lasts up to 4-6 hours. The brushless motor offers a whisper quiet unit that helps patients rest while using. The unit weighs 3.35 lbs so it is easy to move. The Ossur Cold Rush Compact was designed holistically, with unique features like a locking lid to help prevent spills and insulated walls for improved cooling. Aid your recovery with the Ossur Cold Compact Therapy Device. Whisper-Quiet (30 Decibel) Cold Therapy DeviceProvides Up to 4-6 Hours of Cold TherapySingle Flow Setting For Easy UseInsulated Long Tubing, Pad Sold Separately