These DLP active shutter 3D glasses are designed to deliver a clear and comfortable 3D viewing experience with reliable performance and long battery life. Lightweight and portable, they are easy to use and suitable for extended viewing sessions, making them a practical replacement option for compatible DLP projector setups. Main Features Built-in rechargeable lithium battery providing about 30–40 hours of use after 2–3 hours of charging Active shutter 3D technology with high light transmittance for clear 3D effects One-click left and right eye switching for convenient operation Durable material with fine workmanship for long-term use Lightweight and portable design for easy handling and comfort Specification 3D Glasses Type: Shutter Type: Hybrid Viewing Experience: Non-Immersive Battery Included: Yes Battery Type: Built-in lithium rechargeable battery Battery Capacity: 90 mAh Charging Time: Approx. 2–3 hours Working Time: Approx. 30–40 hours Size: 170 × 160 × 45 mm