VIZIO VSG102 - 3D glasses - active shutter pack of 2 The easy one-button operation allows you to use the 3D glasses with your VIZIO Full HD 3D HDTV. The built-in battery is fully rechargeable and eco-friendly, so a quick recharge gets you back in the action-no need to purchase specialty replacement batteries. With up to 24 hours of continuous power, you are able to conveniently wear these glasses throughout the day without recharging.