Knee Massager Heats Up And Keeps Warm

Product information:
Rated voltage: 5v
Power: 7w
Heating temperature: constant temperature
Body care parts: knee pads, shoulder pads
Color classification: black gray, gray, black
Size: 50 * 28cm

Packing list:
Host * 1+magnetic absorption battery compartment * 1+extension belt * 1+charging cable * 1+instructions * 1