Sharper Image Powerboost Pro+ Hot Cold Percussion Massager, Dual-Temperature Node, Soothing Heat Cold Therapy, 6 Speed, 6 Attachments, Lightweight Portable Athlete Recovery, Travel Case DUAL TEMPERATURE: Recover post-workout with hot or cold deep tissue massage at the touch of a button. Cool it down to 10 degrees or heat it up to 104 degrees to improve recovery time and soothe your muscles. ULTRA-QUIET OPERATION: The Powerboost Pro+ uses an industrial-grade brushless motor that is whisper quiet, allowing you to relax after a workout without the horrible ?hammering? noise found in other massagers. 6 SPECIALIZED ATTACHMENTS: Enjoy a fully customizable massage with 6 new and improved attachments to target your different needs. Combine the new attachments with one of the 6 different intensity settings to create the perfect massage every time. LIGHTWEIGHT AND COMPACT: Bring the Powerboost Pro+ with you anywhere for immediate post-workout relaxation and pain relief. The Powerboost Pro+ is light enough and compact enough to fit in most gym bags while still leaving room for all other essentials. RELIABLE STRENGTH: Choose from 6 massage intensities to customize your recovery. The massager is designed for stall-free operation to prevent interruptions under the heaviest use.