Rechargeable Active Shutter 3d Glasses For Acer All Dlp Projector

Contrast Ratio: 1000:1 Type:Active Shutter 3D Glasses Response Time:2ms Frequency:96-144Hz Light Transmission:greater or equal to 37% Built-in Battery:3.7V/60mAh Li-Polymer Battery Charge Time:2 Hours Work Time up to 40 Hours Size :Approx. 165 x 40 x 165 mm colour:black Material:PC size:156*156*38mm Package Contents: 1 * glasses 1 * glasses cloth 1 * USB cable 1 * Instructions Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.