RF 3D Glasses, Active Shutter RF 3D Glasses Rechargeable Suitable for RF 3D TV Projectors, RF 3D Eyewear for Sony Epson Toshiba Sharp, Compatible with TDG-BT500A, SSG-5100GB, AN3DG40Tips 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.RF 3D Active Shutter Glasses Specifications:3D glasses type: Active shutter glassesSync: RFReceiving distance: 6 meters (type)Display Compatibility: 3D RF TV/3D RF ProjectorResponse time: 2ms0.5msAmbient temperature: 0C - 50CStorage temperature: -30C - 70CWorking humidity: 20%-80%RHAtmospheric pressure: 86 kPa - 106 kPaSize: AdultRatio: 1000:1200Field Rate: 148 HzWorking current: Battery Notice: This product does not include batteries unless they are non-replaceable (internal) cells. Please ensure you have the appropriate batteries on hand before use. Country of Origin: Manufactured in China under strict quality controls to meet international safety and performance standards. Non-OEM Item: This is an aftermarket product and is not an original equipment manufacturer (OEM) unit. It is designed to be fully compatible yet offered at a more affordable price point.