SUPVOX Tv Projector 5 Pairs 3D Viewing Glasses for Movies Game Ultra-Light 3D Glasses Movie Polarizer for Theater Screens Computer Monitors Polarized Glasses June2023_cocoonwix There is 4cm height slight

There is 4cm height slight adjustment on the tube to fit alto / tenor saxophone

The angle adjustment clamp’s interlocking teeth securely locks the boom angle in place while allowing 270 degrees of rotationfor perfect placement

Delivers a perfect picture and sound

Plug A:Male 7pin

SUPVOX Tv Projector 5 Pairs 3D Viewing Glasses for Movies Game Ultra-Light 3D Glasses Movie Polarizer for Theater Screens Computer Monitors Polarized Glasses June2023_cocoonwix There is 4cm height slightSUPVOX Tv Projector 5 Pairs 3D Viewing Glasses for Movies Game Ultra Light 3D Glasses Movie Polarizer for Theater Screens Computer Monitors Polarized Glasses 5 Pairs 3D Viewing glasses for movies Game ultra light 3d Glasses Movie polarizer for Theater Screens Computer Monitors Features: Color: Black. Frame Material : ABS plastic. Size: 15. 00X 15. 50X4. 70cm 5. 89X6. 09X1. 85in Type: Passive The 3D glasses are compatible with all kinds of passive 3D