brand new and high quality
OOTDTY
Features:

High light transmittance, support one for KEY left and right eye switching.
3D glasses can work with myopia glasses to provide you with more 3D scene.
Active shutter 3D glasses are suitable for DLP-Link 3D projectors, which will bring shocking 3D effects to you and your family.
Widely compatible, also suitable for , for , Optoma, for , for , for , Vivitek, etc.

Specification:
Product name: 3D Glasses
Material: plastic
Charging : 2-3 hours
Working : 30-40 hours
Available distance: 8 meters
Charging method: USB charging
Battery: Built-in lithium battery
Temple length: app.155mm/6.10in
Color: Black
Quantity: 1set

Note:

Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package Includes:

1 x 3D Glasses
1 x USB charging cable
1 x Glasses Cloth
1 x Storage Bag
1 x Manual(other accessories in the picture is not included.)