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Those will work fine, unless the RF environment is challenging or you’re more than ~15m away.
There are also many phone apps which do the same thing for peanuts.
These are the pro industry standard, with a price tag to suit: https://www.interspaceind.com/shop-our-products/product/82-microcue3/category_pathway-50.html
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I've used these for years, can recommend, which looks like the older version of what you've linked above.
Has anyone needed to use a presentation pointer?
I’ve been doing a couple of keynote presentation/talks recently and being away from my laptop and getting someone else to click through slides isn’t the best way to go.
So was thinking of buying one of these
Logitech R500s Laser Class 1 Presenter Bluetooth and USB / Presentation Clicker - Universal Compatibility, 20m range, Customisable, Smart Battery 12 months usage - Light Grey
https://www.amazon.co.uk/dp/B07W4DG827/ref=cm_sw_r_cp_api_i_DYZFF06XV5XHQFX43JDB
But not sure if it works well and/or it’s worth the coin.
Any recommendations or reviews welcome..