Since my focus is now on monitors, I unfortunately don’t have the time for my favorite topic: end-to-end latency. But then BenQ approached me – with the request that I should take a look at the new Zowie U2. BenQ and mice, I was surprised at first, because BenQ wasn’t even on my radar here. Did you know that BenQ sells mice?
That naturally piqued my interest, which brings us to today’s article. At the same time, I was so fascinated by the topic that I had another eSports mouse and the matching keyboard from another manufacturer sent to me. But today the Zowie U2 is in the spotlight and that will be interesting.
Packaging and scope of delivery
I was completely surprised by everything that came out of the small box. A mouse, two USB-C to USB-A cables, a small dongle with adapter (USB-A to USB-C), a large dongle (Enhanced Receiver) and the usual package inserts.
The small dongle is standard these days, but what the hell is the big dongle supposed to do? I had to ask. My guess was directional radio, because many people will be playing wirelessly at tournaments and if frequencies overlap – have fun! The original answer from BenQ:
“The ZOWIE U2 Wireless Mouse has a special antenna technology with distinctive directional characteristics in the separate USB receiver. The receiver is designed to cover a large area (“sweet spot”) directly in front of the mouse, where a strong and stable signal is received. The antenna is optimized for the direction towards the mouse.”
In other words, the Enhanced Receiver should be placed on the table below the monitor so that the directional antenna of the mouse is optimally aligned with the receiver. This makes perfect sense, even if I can’t measure the added value, but I understand the physics behind it. After all, I was already using VHF and HF directional radio when some of you were still running around the Christmas tree with a drum. I think it’s more than commendable that BenQ has come up with something specifically for such applications. The community should appreciate this. Take a look at the BenQ Zowie homepage here: Click!
Specifications
Datasheet_BenQ ZOWIE_U2 Mouse
It’s obvious that the data sheet is quite limited. Unfortunately, BenQ didn’t want to give me any information about the built-in buttons. Reason: internal company policy! So I had to at least have a look at the built-in sensor to see what else the PAW-3395 can do.

An IPS of 650 is quite something. Nobody needs the 26,000 DPI, which is why BenQ limits the sensor. You can select the following levels: 400, 800, 1000, 1200, 1600 and 3200 DPI. A small LED indicates in color which level is active. (read insert)

If you are really concerned about latency, you should never go below 1200 DPI, I recommend 1200 or 1600 (depending on the size and resolution of the monitor). If this is too much for you in the game, you have to turn down the Sens in the game. Anyone who doubts this should watch the video here: Click!
Greetings to Chris, who is unfortunately no longer so active.
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