Function:Glasses 3D projector DLP LINK:3D glasses with active shutter use "DLP Link" as a method of synchronization,refresh rate 144 Hz,compatibility with all DLP Link projectors,improve the DLP Link projector experience. Widely compatible: support for Optoma,for BenQ, for Acer,for Vivitek, for Dell,for Viewsonic, for LG,for the Mitsubishi DLP LINK projector. ) Fashion Design: Beautiful colors stand out in the dark. Lightweight and portable, comfortable to wear for long time. The two-piece pack is suitable for double use or single replacement. Exceptional features: 3D DLP LINK glasses use the latest active shutter technology, ultra-fast refresh rate of 144 Hz, high resolution, no ghosting, no flickering, providing an excellent 3D viewing experience! Left and right eye rotation: If you wear our active 3D glasses and still do not see the 3D effect, simply click the power button again to reverse the view of the left and right eye for synchronization; very convenient. . 2 PCS. GLASSES 3D DLP USB BATTERY ACTIVE GLASSES Specifications: Item type: 3D glasses Material: PC + LCD lens Black kolor Battery model: lithium battery (built-in) Capacity: 80 mA Light transmittance: 38% ± 2 Correctness: 1000:1±200 Sync frequency: 96/100/120/144 Hz Rated operating current: Sync method: white DLP-Link Parameters: support for various DLP-Link projectors with 3D technology,for XGIMI ZX4 H1, for JMGO G1 G3 X1,for BenQ, for Acer,for Optoma, for Hitachi,for Philips etc. . 2 PCS. GLASSES 3D DLP USB BATTERY ACTIVE GLASSES Package List:2 x 3D Glasses 2 x USB charging cable 2 x clean cloth 2 x Manual Remove the product and use it . 2 PCS. GLASSES 3D DLP USB BATTERY ACTIVE GLASSES