In addition to being expensive, the Asus ROG Keris II Ace ($159) is one of the lightest mice we’ve tested, weighing only 1.9 ounces. It does this while maintaining RGB accents in the scroll wheel and onboard controls for switching DPI levels and pairing via Bluetooth. With an 8,000Hz polling rate via an included dongle and a maximum of 42,000 dots per inch (dpi) from its AimPoint Pro optical sensor, this esports mouse has a pretty stacked spec set inside its shell.Esport mice must maximize their capabilities in order to minimize weight, and the Keris II Ace excels in this area, earning it an Editors’ Choice award for premium gaming mice.
Prose & Cons
Advantages | Disadvantages |
---|---|
Extremely lightweight (1.9 ounces) | Expensive |
Two color options available (black/white) | High DPI ceiling and 8,000 Hz polling rate may be overkill for some users |
No left-handed variant | |
Requires a wired connection to achieve 8,000Hz polling |
Spacification
Specification | Details |
---|---|
Buttons | 5 |
Connectivity | Bluetooth, USB, 2.4GHz Wireless |
Sensor Model | ROG AimPoint Pro |
Maximum Resolution | 42,000 DPI |
Hand Orientation | Right-Handed |
Power Source | Internal Battery |
Weight | 1.9 ounces |
Warranty | One-year (parts and labor) |
Asus ROG Keris II Ace: Ergonomic Palm-Grip Gaming Mouse with ROG Optical Switches and Lightweight RGB Design
With a little bend in the middle for improved ergonomics, the Asus ROG Keris II Ace and the Asus ROG Harpe Ace Aim Lab Edition, which we reviewed last year, have a similar design. Designed to fit right-handers, the Keris II Ace is a gaming mouse that resembles a palm grip and has two buttons on the left side. Both black and white-framed mouse options are available, and they both have the identical Asus Republic of Gamers logo on the top.

We couldn’t detect a significant difference in gameplay (remember, we’re not exactly pro gamers here), but clicks felt snappy and registered reliably in our testing. The Keris II Ace uses a new type of switch underpinning its buttons called ROG Optical Micro Sensor switches, which Asus claims are rated for 100 million clicks and use light sensors to detect inputs instead of physical contacts to reduce latency
(The Razer DeathAdder V3 Pro has a small LED indicator above its scroll wheel that acts as a battery indicator.) The ROG Keris II Ace maintains an integrated LED in its mouse wheel while remaining lighter than the DeathAdder, despite the fact that many esports mice limit the number of RGB LEDs to keep the overall weight low. The wheel is set to cycle through the color spectrum by default, but you can change it through a control utility (which we’ll discuss below). Our previous pick for esports mice, the Razer Viper V3 Pro, lacks RGB, while other competitors have minimal lighting.
ASUS Keris II Ace: USB-C, Multi-Mode Connectivity, High Polling Rates, and Smooth PTFE Feet for Precise Gaming Performance
A USB-C-to-USB-A cable is included in the box to charge the mouse and use it in wired mode. The mouse’s 2.4GHz wireless connection dongle is kept on the underside of the mouse’s frame, and there is also a second dongle called the USB Polling Rate Booster, which is a larger device that the first dongle nests inside. (Here’s an example of how they work together.) It is used to reach polling rates higher than the typical 1,000Hz with the main dongle alone.
A greater pace results in a more accurate and seamless mouse experience, albeit at the cost of CPU and battery life. Although the business does not provide battery life at different polling rates, Asus predicts up to 107 hours with lighting off and 67 hours with default illumination on over a 2.4GHz connection. The stated rate is the quantity of signals sent per second; the polling rate is the frequency of mouse-computer communication.

On tiny PTFE (sometimes called Teflon) foot parts, one for each corner, the Keris II Ace glides with ease. Despite their small size, these feet are thick enough and incredibly smooth to prevent all of the underneath parts from scratching a mouse pad.
Additionally, there are two buttons on the underside: one to pair the mouse with your computer via Bluetooth and another to cycle between the four DPI settings. You can choose between the three connection modes—2.4GHz wireless, Bluetooth, and USB wired—by using the toggle switch located down here. The RGB LED in the mouse wheel will illuminate a distinct color to indicate each DPI preset as you cycle through them. These colors can be altered using the control utility.
Only by connecting the Polling Rate Booster can you increase the polling rate from the 1,000 Hz default for each connection choice to the maximum of 8,000 Hz. More importantly, the greatest frequency you can get with a wireless connection is 4,000 Hz. 8,000Hz requires a connected connection, with the booster acting as a bridge between the mouse and the cable. The way the dongle connects to the USB cord and then to the mouse is a similar implementation to the one we saw in the Glorious Model D 2 Pro.
Additionally, the dongle of the Keris II Ace can be connected to a USB-C-to-USB-A adapter that comes with a clip to fasten it to a desk mat. The purpose of this adapter is to better arrange your cable and 2.4GHz dongle in one location. It is also compatible with the booster dongle.
Customize the Asus Keris II Ace with Armoury Crate: DPI, RGB, Power Settings & Surface Calibration
The majority of the Keris II Ace’s functionality, including pairing and DPI profile changes, are controllable directly on the mouse. To alter more precise settings, such as the polling rate or RGB effects, you will need to use Asus’ Armory Crate software program.

You may change a number of parameters using Armoury Crate, such assigning new inputs to each button or modifying the DPI for every profile. The ability to calibrate the mouse to various surfaces is one of the utility’s noteworthy features.You may either choose from a predetermined selection of surfaces (if you have one) or calibrate the mouse manually, which requires a few minutes of continuously swinging the mouse on your preferred surface in an infinite-loop pattern.
Additionally, you can adjust the mouse’s power consumption settings, such as how long to wait for a response before going into sleep mode or how to set the wheel’s RGB lights to visually inform you when the battery reaches a specific percentage.
Asus ROG Keris II Ace: The Ultimate Lightweight Wireless Gaming Mouse for Esports
When it comes to superlight wireless mice, the Asus ROG Keris II Ace is about as feature-rich as they get. In our opinion, a stylish, portable product with a high DPI ceiling and a maximum polling rate of 8,000 Hz (even if it can only be reached with a wired connection) is a win.
Asus does not provide a left-handed variant, and the Keris II Ace is still pricey, but we can’t think of much more that could be done to enhance the formula. However, our previous top choice in this category, the Viper V3 Pro, also had both of these drawbacks. Additionally, that mouse lacks RGB illumination, has switches with a shorter lifespan, and has a lower-resolution sensor, even though it can wirelessly operate at a maximum frequency of 8,000 Hz. As our most recent Editors’ Choice awardee for esport mice, we suggest the Keris II Ace if you’re in the market for a new, lightweight mouse for intense gaming.
conclusion
One of the most sophisticated and portable gaming mice on the market is the Asus ROG Keris II Ace, which packs a 42,000 DPI AimPoint Pro sensor, an 8,000Hz polling rate, and RGB lighting that can be customized into a small 1.9-ounce package. It provides an excellent gaming experience, earning its spot as an Editor’s Choice for esports mouse with its sturdy ergonomic design, multi-mode connection, and fluid performance. Although it is expensive and does not support left-handed users, the Keris II Ace raises the bar for portable, powerful gaming accessories.
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