11 Vibration settings help to relieve tired and strained yes from the stress of computer screens, reading, driving and more. Air pressure massage settings are generated by a hi-tech IC chip, which produces multiple frequency micro currents improving microcirculation. Massages acupressure points around the eyes to relieve eye and facial strain. Heat settings relax the eyes' ciliary muscles while the warm soft massage soothes your eyes and relieves fatigue. Massages the eye and temple muscles to relax and help relive insomnia, headache, and other tension and stress related issues. Plays various types of soothing sounds (Earphones Included). Downloads MP3s ( to Device) for personal relaxation. Batteries Required (4 AA) included. Materials: 60% ABS Plastic, 15% Electronics, 10% Rubber, 10% Elastic; 5% Cloth. Dimensions: 8"L x 4"W x 3"H; Weight: 1 lbs