Enjoy your 3D experience even more with the stylish black LGAG-S350 Active 3D Glasses. See the clearer picture The lightweight active AGS350 Active 3D Glasses provide excellent comfort when it comes to watching your 3D movies or sport, with rechargeable batteries you will never have to worry about them running out of juice. Charge them for 2 hours via the USB (Universal Serial Bus) cable & you will get an astonishing 40 hours of viewing. Compatible the latest LGrange of 3D Plasma TVs the AG-S350 Active 3D Glasses will make you feel as though your are in the thick of the action.