1.Knee massage instrument, full package air bag air pressure massage; lRechargeable design, charging for 2 hours, 4-5 times; 2.There are three product design modes: mode 1 is the airbag with vibration function, mode 2 is the vibration function, and mode 3 is the airbag pressing function; 3.Design of carbon fiber far-infrared heating plate, warm and hot compress knee joint; 4.The product has 3-step heating function and 3- step force adjustment function; 5.The product can be used for knee joint and elbow joint; 6.Product design LCD panel, touch button, easy to operate Gift Box Size: 28*13*20cm Carton Size: 65.5*57.5*43cm PCS/CTN:20pcs N/W-G/W:16kgs-18kgs 1x20`GP:3400pcs; 1x40'GP:7000pcs; Technical Parameter: Working voltage: DC5V-1A Rated power: 5W Battery capacity: 2600mAh lMassage time: 15/20/25/30mins. Heating temp.: 45-55C.