Ultimate Reality 3D Active Glasses Kids: Rechargeable Frame Rate: 120 Transmittance 35% Battery type: SP3812223AB (Rechargeable) Power Socket: Micro USB Cable Operation Time: 30 Hours Samsung 3D Active Glasses create a uniquely realistic 3D viewing experience. As the image is split into left and right eye signals on-screen, the 3D Active Glasses alternately darken in perfect synchronisation with the TV’s refresh rate, generating a pure 3D image that is free from ghosting and visual distortion, and that welcomes you to a experience a new world of wonder. 2 lenses. 3 dimensions. 1 unforgettable experience. There’s only one way to experience 3D when you’re not in a theatre. And that’s by slipping a pair of Samsung’s 3D glasses on. Built so that the left lens and right lens focus on different images, both sides work together to generate 3D images. The effect is explosive - put them on and they pull you into the action. Comfortable glasses. Unbelievable action. You simply won’t believe your eyes with Samsung’s Active LCD shutter glasses. They take your movie viewing experience to a whole new dimension, dramatically converting your everyday 2D picture into out-of-this-world 3D imagery. Both the battery-operated and rechargeable versions are designed to fit both adults and children comfortably - these lightweight, user-friendly specs are completely unobtrusive.