For perfect application individually or as a pair. The double-head massager provides a relaxing tapping massage with optional infrared heat.. . Sandblasted aluminium housing. Penetrating and relaxing tapping massage. Double-head massage. Adjustable massage speed with 5 levels. Infrared heat can be selected separately. 2 interchangeable massage attachments (nub attachment, soft attachment). 4 massage programs (start, active, vital, relax). 2 non-slip handles. Blue backlit function display