Infrared massagers typically incorporate infrared heat technology to provide additional therapeutic benefits. massage techniques: different massagers offer various massage techniques, such as kneading, rolling, tapping, or a combination of these, to cater to different preferences and needs. adjustable intensity: having adjustable intensity levels allows you to customize the massage experience based on your comfort and desired pressure. heat function: some massagers include a heat function that can help relax muscles, promote blood circulation, and provide additional pain relief. portability and design: consider the portability and ergonomic design of the massager, ensuring it can reach different body parts easily and is comfortable to hold and use. safety features: look for features such as auto shut-off timers or overheating protection mechanisms to ensure safe usage.