Features:
Functions: Multi-function knee massager can relieve joint pain, arthritis, cramps and meniscus pain. And you can also use it on your arm joint or other painful place.
3 Adjustable Heat: There is a Heating button to adjust the temperature in H1, H2, H3, HF(Low, Medium, High, Off).
3 Optional Patterns: You can choose the massage pattern with the Pattern button, 3 patterns to choose, P1 vibration, air pressure and heating at the same time; P2 vibration and P3 air pressure.
3 Optional Intensity: Short press the Intensity button to adjust the knee massgaer intensity in L1, L2 and L3 (Weak, Medium, Strong), you can choose the suitable one as your needs.
Time: Press the Time button, 15/20/25/30 minutes can be selected, the massager will automatically shut down in the selected time.
Red Light: Built-in 20 red physiotherapy lights, you can choose massage with red light according to your needs.

Specifications:
Material: PC
Color: White
Built-in Battery: 5V 1800mAh Built-in Lithium Battery
Item Size: 25 * 16 * 12cm / 9.8 * 6.3 * 4.7in
Item Weight: 595g / 1.3lb
Package Size: 27.5 * 20 * 12.5cm / 10.8 * 7.9 * 4.9in
Package Weight: 808g / 1.8lb

Package List:
1 * Knee Massager
1 * USB Cable
1 * User Manual