Feature: --Upgraded generation: The next generation super fast 96-144Hz refresh rate. --Stylish design: The combination of green and black color makes the lens excellent among other black-colored LCD-glass lenses; High elastic material of the PC frame greatly improves the convenience of wearing. --Exactly the 3D experience you've always wanted. The left and right lenses work in perfect harmony, providing true-to-life images. --Built-in high capacity rechargeable batteries: Built in high-capacity battery, can be charged through Micro USB cable, such as power bank, laptop. no battery change necessary. --Easy operation: Easy operation with one button for power on/off. --High Compatibility: It fits with all DLP-Link 3D Projectors, such as Samsung, Acer, Benq, Viewsonic, Optoma, Sharp, Mitsubishi, Nvidia, Sony, LCD, TCL, Panasonic, Vivitek, Dell, Nec and so on... Specification: 3D glasses type: active shutter glasses Synchronous: DLP connection Display Compatibility: DLP connection 3D projector Frequency: 96-144Hz Built-in battery: lithium battery Working time: 2-3 hours charging time can last about 30-40 hours Package includes: 3D active glasses * 1 USB cable * 1 Cleaning cloth * 1