The Venom 2 Back by Hyperice is the most advanced heat and massage wrap on the market. Designed with HyperHeat 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. 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 than the original and features our new HyperHeat technology providing a more even and consistent distribution of heat across the treated area. , , 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, alleviates any soreness, loosens muscle knots, and allows you to maintain flexibility and range of motion throughout the day. 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, a new adjustable compression strap for a more customized fit, and Bluetooth connectivity to the Hyperice App for remote control make it easy for you to wrap with warmth anywhere - like never before. , , Package includes: Venom 2 Back: The actual device, Power supply: To keep your device charged and ready to go & Additional plug adapters (3): To charge your device no matter where you are