Easy to use: Simple buttons are easy to operate, even for first-time users. The cold laser therapy device has a clear function display, 4 adjustable power levels, a 5-60 timer accurate to minutes and seconds, and a battery power display. It's recommended to use it 2-3 times a day for 20 minutes each time. Consistent use will have significant results.<br>After-sale Service: The package contains handheld red light therapy devices*1, strap*1, stand*1, clip*1, goggles*1, charging cable*1, and manual*1.This is the most thoughtful gift for family, friends, the elderly and office workers, and it can also help your pets get healthy. If you encounter any problems, please feel free to contact us.<br>Multifunctional Use: The non-invasive design of the device ensures that you can use low level laser therapy device safely in daily life. It is very suitable for relieving various pains, such as muscle soreness caused by exercise, joint pain, and pain all over the body. It can be used on different parts of the body such as the back, shoulders, knees and elbows.<br>Compact & Portable: The compact and lightweight handheld design makes the infrared light therapy device portable whether at home, in the office or on the go. The included stand allows you to use it more comfortably, no need to hold it in your hand for a long time and can accurately target specific pain points.ideal companion for pain management.<br>Beneficial to Health: The cold laser therapy device for humans uses low-level laser technology. It features built-in 16 tubes (650nm) and 3 tubes (808nm), combining their wavelengths to target muscle and joint discomfort, relieve pain comprehensively, promote physical recovery, and improve overall mobility with extremely high efficiency. Note: 808nm is invisible!