A call is a room with a stranger in it. The thing people picture when they search for a quiet walking pad is a neighbor hearing a thump through a ceiling, and this site has a whole page ranking these machines on exactly that. A meeting is a different problem with a different listener: a microphone roughly two feet from the belt, a camera bolted to a desk that does not move, and a keyboard you are expected to use accurately while the floor goes past. Three published figures bear on it, and they bear on it in a specific order.
1. The noise figure, and the word missing from both of them
Of the eight pads we track, 2 publish any noise figure at all. KingSmith states “Under 65 dB” for the A1 Pro, and the Lifepro PacerMinilisting states “Less than 60 dB”. The other 6 publish nothing: WalkingPad Z1, WalkingPad C2, WalkingPad P1, UREVO Strol 2E, Sunny Health & Fitness TreadPad Sleek Stride (SF-T722069), DeerRun Under-Desk Walking Pad.
Here is the problem with using either number on this page. Neither maker states the distance the measurement was taken at, and neither states the belt speed or the floor surface. A decibel level falls off with distance; without a stated distance the figure is not a measurement so much as an adjective. That makes the two claims incomparable with each other and useless for predicting a microphone at two feet, which is far closer than any sane test position. We still rank the machines that publish something above the machines that publish nothing — publishing is itself evidence of a company willing to be held to a figure — but we do not let the number choose the order.
2. Deck height, because the camera does not move
This is the figure that actually separates these machines for a call, and it is published by six of the eight. Standing up already moves your head a long way relative to a laptop camera; the deck adds the rest, and the deck is the only part of that rise you choose when you buy. Across the pads whose published in-use height describes the walking surface, the figures run 4.1 in on the WalkingPad Z1 to 7 in on the Lifepro PacerMini — a spread of 2.9 in.
We are not going to convert that into a frame-height claim. It would require knowing your camera’s field of view and your desk’s height, we have measured neither, and a page that invents the first two numbers to produce a confident third is the kind of page this site exists to be an alternative to. Our full method, including what we refuse to estimate. What the spread does tell you is that the choice is real and the test is free: open a call with yourself, stand on a box the height of the deck you are considering, and look at the preview window.
One machine cannot go in that column at all, and it is worth saying which and why. The UREVO Strol 2E publishes 38.9 in as its in-use height, but that figure is the top of its handle, not the deck. It is the one pad we track with something to hold, which is a real advantage elsewhere on this site and an odd one here — a handrail is a visible bar across the lower half of your camera frame. What the handle does and does not buy you.
3. Belt width, because you are looking at a screen
Walking while reading a shared document is walking without looking where you are going, and the published figure for that is belt width. The belts we track run 15 in on the UREVO Strol 2E to 16.5 in on the WalkingPad P1 and the WalkingPad P1, which share the figure. Two and a half inches does not sound like much until you remember it is the entire allowance for drifting left and right without correcting — and correcting is the movement a camera notices.
Belt length matters less on a call than it does anywhere else on this site, because nobody walks fast during a meeting. If you want the deck-length-against-stride arithmetic in full, it is on the page for taller walkers, where it is the deciding criterion rather than a footnote.
4. The bottom of the speed range, not the top
Every listing in this category advertises its top speed, and on a call that number is close to irrelevant. What you want is a belt that will run at a genuine amble, because pace is what drives both footfall energy and how hard you are breathing when it is your turn to talk. Every published speed range on this site, and why the minimum is the specification that matters — that page carries the ranges, so this one does not duplicate them.