1. 3 Adjustable Heating Vibration ModesThe 3in1 heated shoulder wrap features three heating levels: heat 66°C75°C; Medium heat 60°C65°C; Low heat 45°C55°C; along with , medium, and low vibration massage modes. Each mode delivers soothing warmth to the shoulder area. 2. Smart LED DisplayEquipped with a clear LED display to show the current temperature and a low battery alert, notifying you when it's time to recharge. Touchsensitive controls make adjusting settings effortless and userfriendly for a seamless experience. 3. Universal Fit for ComfortThe heated massage wrap is suitable for both left and right shoulders. This adjustable massage strap fits chest circumferences of 68140 cm and arm circumferences of 2340 cm. It provides a comfortable fit for men and women. 4. Wireless PortableWith a builtin 5000mAh battery and USBC charging cable, you can enjoy up to 2 hours of cordless heating. Its wireless design offers maximum mobility, making it for use at home, in the office, or on the go.