I recently purchased a new Samsung 3D television so I needed to buy some glasses. I sourced these through Google and found them on play. The glasses arrived and I followed the pairing instructions which where very simple. (Press a button for 2 seconds) the glasses paired with the tv, I then switched the tv to 3d mode and watched Sky 3D. The experience was amazing. The glasses themselves were very light and what weight that there was was spread around the head. I have used the Sony Infra red glasses and the Samsung ones were nowhere near as heavy. I watched tv for a couple of hours without getting a sore nose or head. All i can say is these glasses are amazing. the glasses can be charged off a PS3, Computer, TV or DVD player. I would definetley reccomend these glasses i would also reccomened buying them from play as i was unable to find them cheaper anywhere else.