Description Built-In Battery, x2 Wavelengths and Timer, Cervical Portable is an ideal recovery aid for Cervical Spondylosis/Neck Pain, Lack of Blood supply leading to Dizziness and Headaches, Prolonged Sleepiness, Tinnitus and General Fatigue. Both Devices are light weight and easy to use WHAT’S IN THE BOX? x1 White Cervical Therapy Device x1 Pair Nasal Therapy Device x1 USB Type-C, 1.3m cable x1 User Manual More information regarding LED Light Therapy Scientific Studies and Research can be found at LED Light Therapy Shop Wisdom Page, Select: WISDOM
