3-Modes LED White Light Music Sunglasses with Corrective Sitting Position Function - Red

- Color: Black - Material: High density PS - Glasses made of LED white chips - It will sound when your position is not correct - 3-mode LED white light flashing: still on,quick flash and slow flash - Working time: 10~15 hours (light on) - Left powered by 3 x AG3 batteries (included) - Right powered by 3 x LR44 batteries (included) - Lens height: 3.8cm - Lens width: 6.3cm - Bridge width: 1.8m - Full length: 14cm Dimensions: 7.48 in x 5.51 in x 1.50 in (19.0 cm x 14.0 cm x 3.8 cm) Weight: 1.52 oz (43 g)