DETAILS: The Venom 2 Back by Hyperice is the most advanced heat and massage wrap on the market Designed with HyperHeat(TM) technology for consistent, even heating, the Venom 2 Back heats up 6x faster than a standard heating pad providing instant, soothing relief to sore muscles FAST. HOT. RELIEF.: A device that heats up so fast it will leave your back feeling a sense of relief nearly instantly Venom 2 Back's surface area is 2x larger and features our new HyperHeat(TM) technology providing a more even and consistent distribution of heat across the treated area THE ULTIMATE COMBINATION: Three levels of heat paired with three distinct vibration patterns allow you to customize your soothing massage to best fit your need This combination helps melt away stress and tension in your back, alleviate any soreness, loosen muscle knots and allow you to maintain flexibility and range of motion throughout the day PREMIUM MATERIALS & DESIGN: The Venom 2 Back has a refreshed user interface and comfortable, lightweight neoprene wrap offering incredible performance, improved fit and unmatched customization An extended 3-hour battery life, new adjustable compression strap for a more customized fit, and Bluetooth(R) connectivity to the Hyperice App for remote control make it easy for you to wrap with warmth anywhere - like never before