XINFUTE Rechargeable Bluetooth RF 3D Active Glasses fit for Sony TV Projectors TDG BT500A

Item description from the seller:RF 3D Glasses, Active Shutter RF 3D Glasses Rechargeable Suitable for RF 3D TV Projectors, RF 3D Eyewear Compatible with TDG-BT500A, SSG-5100GB, AN3DG40 Tips for RF 3D Glasses: ◆ Please make sure the distance between the 3D glasses and the 3D device is less than 19.5 inches/50 cm when pairing. ◆ Press the switch button, the green LED indicator will light up continuously for 3 seconds, the glasses are powered on, and pairing will start. ◆ Some brands of 3D devices will display "3D glasses connected", which means the pairing is successful; some brands of 3D devices will not display anything, but after pairing, the 3D glasses work normally, which means the pairing is successful. ◆ If pairing fails, the 3D glasses will automatically turn off. You can press and hold the switch button for more than 1 second to re-enter the pairing state. All the goods are inspected before shipment, so if you are not satisfied with the purchase, you can contact us within 24 hours of the receipt of your purchase. Warranty Description:Enjoy a one-year warranty on all purchases.