size:190*76*13mm (Eyes mask) 90*75*27(controller) 14 rubber heads perform in corresponding acupuncture position around your eyes . Three massage intensity for your choice . Auto time setting is 15 minutes. 80CM cable allow you to clip the controller to your waist increases blood circulation aroud your eyes and helps relax tired eyes. Alleviates eye fatigue caused by extensive use of computers, long periods of driving ,studying and reading. Helps get rid of bags underneath the eyes. Improve luster and elasticity of the skin around the eyes Battery:2 pcs AAA battery