[RF 3D Glasses] The active shutter 3D glasses use RF to transmit signals, working without a transmitter. Compared to traditional IR signal transmission, the RF signal connection is faster and the continuity is more stable. 2-pack, super saving! [Compatible Devices] RF 3D active shutter glasses are suitable for most RF 3D signal TVs and 3D projectors. Compatible 3D RF Projector: EPSON, Sony, JVC, xiaomi2, Lenovo and more; Compatible 3D HD TVs: Epson, Samsung, Sony, Panasonic, Sharp, Toshiba, Konka, TCL, Haier and more. Can replace these models of 3D glasses: TDG-BT500A, TDG-BT400A, SSG-5100GB, TY-ER3D4MU, AN3DG40 and more. [Easy to Use] Rechargeable 3D RF glasses, with ON/OFF button. Automatic 5-second standby and 5-minute shutdown. No disposable 3D glasses. High definition, no ghosting, no flicker, clearer and more stable than IR signal connection. Gives you a superior 3D visual experience.