Will these support 144Hz?

These are the same glasses as you see in a movie theature. Just better frame quality. You could get a pair from the trash bin at a theature and test before you bought these.

Hi. Wondering if these might work with an old Optoma HD27 projector. Need a pair to replace old (and now discontinued) Optoma RF 3D glasses?

Not sure if they will work with that projector but I can say that the images are very dark with these. A lot darker than with my original glasses. Like watching a movie with sunglasses on.

Does this need bluetooth to work and could i watch it on any 3d tv/computer monitor connected to a blu ray 3d disc player?

I use on my 3D TV. I do not have blue tooth and they work great. as for them working on other items I do not now for sure. I can tell you that you do not need blue tooth and they work better then the 3D glasses that went with my Tv that we bought from best buy. My tv is a 3D HD 80 inch TV. Hope that helps you.

Will these work with a 75 inch Hisense?

Depends on if your TV is capable of 3D. My LG TV has a 3D button on the remote. 2D to 3D works ok. But for best results you need a 3D Blu-Ray Player, a 3D Blu-Ray disc and a 3D tv. Otherwise it's just decent. If your TV doesn't support 3D. Don't waste your money.

ASIN	B0B76LTW6W
Batteries	1 Lithium Polymer batteries required. (included)
Best Sellers Rank	#69,725 in Electronics ( See Top 100 in Electronics ) #65 in 3D Viewing Glasses
Customer Reviews	4.0 4.0 out of 5 stars (51)
Date First Available	November 30, 2020
Item Weight	3.2 ounces
Item model number	3D-RF-1
Manufacturer	TOUMEI
Product Dimensions	2.36 x 3.15 x 5.91 inches

RF 3D Glasses, Active Shutter RF 3D Glasses Rechargeable Suitable for RF 3D TV Projectors, RF 3D Eyewear for Sony Epson Toshiba Sharp, Compatible with TDG-BT500A, SSG-5100GB, AN3DG40

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