Neck Stretcher, Cervical Neck Traction Device Number of Batteries4 AAA batteries

Number of Batteries4 AAA batteries required

Ideal for Professionals and University Students 7、Come with USB cable

(Detailed user manual included in the box)

Headphones Jack3

Color temperature and brightness can be adjusted between 3200K-5600K

Neck Stretcher, Cervical Neck Traction Device Number of Batteries4 AAA batteriesNeck Hump Corrector with Graphene Heating, Neck and Shoulder Relaxer for TMJ Neck Pain Relief, Muscle Relax, Spine Alignment Relax Gifts for BedNeck Stretcher, Cervical Neck Traction Device, Neck Hump Corrector with Graphene Heating, Neck and Shoulder Relaxer for TMJ Neck Pain Relief, Muscle Relax, Spine Alignment Relax Gifts for Bed