Starter pack bundles two pairs of Sony Active 3D Glasses and 3D Blu-ray Disc of The Chronicles of Narnia , The Voyage of the Dawn Treader. | Built-in rechargeable battery , quick charge in three minutes for three hours use, or fully charge in a half hour for 30 hours use. | Adjustable, ergonomic design to fit everyone in the family, designed to fit over prescription eyewear | Glasses automatically synchronize with compatible Sony 3D HDTVs | Delivers vibrant, high-quality 3D image with a wide viewing angle