Sleep Enhancer Eye Mask with Nature Sounds and Audio-in (Green/2*AAA)

- Wrap-up stress and tension with soothing soft shear reefer materials - Personal care covers up contours to your face, completely blocking light - 3-track sound system features ocean waves, birds sound and frogs sound - Built-in 3.5mm audio line-in can also pipe in music from your CD, MP3 players or other devices - Rated power: 0.25W - Horn resistance: 8O - Powered by 2*AAA (not included) - Comes with a 3.5mm jack audio cable Dimensions: 10.83 in x 3.94 in x 1.3 in (27.5 cm x 10 cm x 3.3 cm) Weight: 5.08 oz (144 g)