EUC. Only used a handful of times. Includes battery pack, battery pack charger, and storage case. Heats and vibrates to relieve lower back and core soreness. RecoveryTherm Back delivers heat therapy and targeted vibration therapy directly to your lower back to effectively relieve back pain, reduce discomfort and stiffness, and improve mobility. Our cutting-edge fabric evenly distributes heat and improves circulation, enhancing your body's natural healing process. Whether you're managing chronic lower back pain or suffering from minor muscle tweaks, RecoveryTherm Back is a simple, convenient way to find relief that improves your quality of life and fits seamlessly into your daily routine. Heat and targeted vibration for effective pain relief Customizable treatments with 3 heat levels and 3 vibration patterns Front: 100°F, 104°F, 109.4°F Back: 100°F, 104°F, 109.4°F Wearable, hands-free design with easy-to-use controls One-size-fits-most design, ensuring a versatile and comfortable fit Carbon fiber mesh evenly distributes precise heat around your body Germanium fabric to improve circulation and enhance healing 3 hour battery life for extended use Interchangeable battery compatible across RecoveryTherm products • Relieves lower back pain, tension and aches • Reduces stiffness and inflammation • Accelerates recovery • Improves rehabilitation and recovery time • Improves range of motion and mobility • Increases circulation