1. [Compatibility] - Supports various 3D technology DLP Link projectors, including XGIMI ZX4 H1, JMGO G1 G3 X1, BenQ, Acer, Optoma, Hitachi, Philips, etc. (Does not support monitors, ordinary infrared, or Bluetooth 3D projectors, or regular TVs). 2. [Quick Connection with DLP-LINK Projector] - These active 3D glasses use "DLP Link" as their synchronization method, working quickly with all DLP Link projectors. Built-in 80 mAh lithium battery, rechargeable to provide long hours of use. 3. [Outstanding Performance] - Our DLP Link 3D glasses utilize the latest active shutter technology, featuring a super-fast 144Hz refresh rate, high definition, no ghosting, and no flickering, delivering an amazing 3D viewing experience for you! 4. [Left/Right Eye Rotation] - If you wear our active 3D glasses and don't see the 3D effect, simply click the "Power" button again to reverse the left and right eyes for synchronization. This is very convenient, eliminating the need to adjust the DLP projector. 5. [Lightweight and Comfortable] - DLP Link active shutter 3D glasses are lightweight and portable, making them very comfortable to wear. The DLP 3D glasses come with USB cables for charging, cleaning cloths, and manuals for guidance. Item Type: DLP Link 3D Glasses Material: PC Color: Black and Blue Battery: Lithium battery (included) Capacity: 80mA Light Transmittance: 38%±2 Contrast Ratio: 1000:1±200 Synchronization Frequency: 96/100/120/144Hz Synchronization Method: White DLP Link Parameters: Supports various 3D technology DLP Link projectors, including XGIMI ZX4 H1, JMGO G1 G3 X1, BenQ, Acer, Optoma, Hitachi, Philips, etc. (Does not support monitors, ordinary infrared, or Bluetooth 3D projectors, or regular TVs). Package includes: 2 x DLP Link 3D Glasses 2 x USB Charging Cable 2 x Cleaning Cloth 2 x Manual