Description Power supply: 3 x 1.5v battery (excluding battery) Use infrared therapy electrodes Improves circulation, relieves pain and boosts metabolism Suitable for waist, shoulder, leg, foot massage and physiotherapy At the same time, physical therapy was performed on four parts of the body 4 modes of treatment: vibratory thumping, finger-press massage, massage, slap and scratch therapy 8 massage modes and 10 massage power levels It has two massage electrodes, a charger and an electrode wire Package included: 1 x Eletronic Massager Machine 1 x 2 Ways Massager Wire 1 x 4 Ways Massager Wire 1 x USB Cable 1 x Plug Power Adaptor 16 x Electrode Pads ( 8 Pairs ) 1 x Manual (English) Note: 1. Connect the electrode wire to the mat or slipper properly 2. (important!) Glue both pads to a person's healing area, or wear slippers before turning on the machine, otherwise it will turn automatically in five seconds. 3. Do not put the MATS together when you turn them on. 4.Place the pad on the same side of your body. 5. Do not use the battery and the external power supply at the same time. 6.Please read the user's manual carefully and pay attention to the matters needing attention before use Instructions included:Yes Manufacture Country:China Shelf life:3years