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Question: I've tried plugging both pairs of glasses into TV and my laptop but they don't appear to be charging. Their LEDs aren't blinking or lighting up. HELP
Document: I got two pairs of these glasses because I got tired of replacing the batteries in the glasses that came with the TV. These charge quickly and last for several movies. They're lightweight and not at all uncomfortable to wear.
I write this with first-hand knowledge having already broken 3 pair. I continue to shop the Amazon Market for great prices and buy them when I see the opportunity. That may sound crazy but  I've found the perfect solution for both storage and charging at a cost of just $9.00 per per pair. That solution is the $18.00 3ACTIVE Twin Storage Case designed to store 2 folding 3D glasses and I buy them on Amazon.
When I was looking at the reviews all I could find bad was well if you sit on them they will break. I guess that is a no brainer. I have had 6 other pairs with other TV and these are the BEST ever. you do not even know they are on your face. No more heavy on the nose or hard on the back of your ears.
To store 3570's simply position the glasses upside down with lenses out and ear pieces extending towards the middle. This also puts the mini USB charging ports facing up so that the the glasses are secured when charging.
I bought these rechargeable 3D glasses to work with my 2012 Samsung ES7500 TV. They work fine and will charge using any USB charger. They kick on/off automatically when the TV is put in 3D mode or taken out of 3D (after a few minutes they turn off). This is good, but if you are not using this pair, it'll wear down the battery. Other than that they work the same as the cheaper model with the batteries.
I store them in a small cabinet so they are not exposed to dust or prying hands. Charges superfast, less than 30 minutes. I ordered a total of three pairs so the 5100's will probably not see much use anymore.
I like these better than the ones you get when you buy the TV. Those are OK, but these fit better and view better.
Work great, just as good as the ones that came with my TV, but I can recharge them and they come on automatically. What else can I say? Also, received a pair that did not work right, contacted Amazon and they replaced with no problem!
After I purchased a 60" Samsung Plasma 3-D in August of 2012, a pair of 3570CR followed immediately. They charge faster than any rechargeable I've purchased since, sync almost instantly, and provide knock-out visuals. However; its stunning performance has to be weighed against the fragility of both earpieces at their rigid point of connection to the frame.
Good quality much better then battery 3d glasses. Under 30 minutes to charge. Would recommend to anyone with 3d tv
Answer: I had this happen on the new pair I got too, they would not turn on, or charge. There is a little hole right next to the usb plug on the glasses that you can use a pin to push the reset button. After pressing this reset button, the glasses then charged fine, and I was able to pair with my TV fine. Don't know why they don't document this reset button in their manual, apparently lots of folks have had to use this reset to get their glasses working.