# The SECOND best mouse we’ve tested - ROG Harpe II Ace Demon1 Edition

Source: https://www.youtube.com/watch?v=KbM51JWCl90
Recap page: https://rapidrecap.app/video/KbM51JWCl90
Generated: 2025-10-30T21:02:18.658+00:00

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## Quick Overview

The ASUS ROG Harpe II Ace Demon1 Edition mouse is a highly competitive, top-tier gaming peripheral featuring an ultra-light, bio-based nylon shell, an ROG AimPoint Pro optical sensor, and an 8000Hz polling rate capability, making it a top contender in the high-end gaming mouse market despite its $169.99 price point.

**Key Points:**
- The ASUS ROG Harpe II Ace Demon1 Edition mouse is shaped by VALORANT champion maximiljan 'Demon1' Mazanov.
- The mouse features an ultra-light, bio-based nylon shell, reducing the carbon footprint by 70% compared to standard ABS plastic.
- It utilizes the ROG AimPoint Pro optical sensor, capable of 42,000 DPI, 750 IPS max speed, and 50G max acceleration.
- Latency testing shows excellent performance: 0.86 ms wired, 1.56 ms via the 2.4 GHz receiver, and 12.44 ms in Bluetooth mode.
- The retail package includes five different ROG Harpe mice variations (Ace, Ace Mini, Ace Wireless, and the Demon1 Edition purple mouse) along with a mousepad and grip tape set.
- The mouse software allows for customization of 5 profiles, angle snapping, and DPI settings, with the option to set polling rate up to 8000Hz.
- The MSRP for the mouse is $169.99, which the reviewer considers a good value given the included accessories and premium features.

![Screenshot at 00:08: The unboxing reveals the ROG ACE COLLECTION box containing five different ROG Harpe mouse variations, including the unique purple Demon1 Edition, alongside a rolled-up mousepad.](https://ss.rapidrecap.app/screens/KbM51JWCl90/00-00-08.png)

**Context:** This video reviews the limited edition ASUS ROG Harpe II Ace Demon1 Edition gaming mouse, a collaboration with the professional VALORANT player maximiljan 'Demon1' Mazanov. The review focuses heavily on the mouse's physical characteristics, its ultra-lightweight construction using sustainable materials, advanced sensor specifications, and real-world performance metrics like latency and accuracy, all compared against other top-tier gaming mice.

## Detailed Analysis

The video presents an unboxing and review of the ASUS ROG Harpe II Ace Demon1 Edition gaming mouse, a special edition shaped by VALORANT pro Demon1. The packaging is elaborate, containing not just the featured purple mouse but also four other ROG Harpe mice models (Harpe Ace, Harpe Ace Aim Edition, Harpe Ace Mini, and Harpe Ace X), a mousepad, grip tape, and accessories. A key feature highlighted is the mouse's shell, constructed from ultra-light, bio-based nylon derived from castor oil, which significantly reduces the carbon footprint and is stated to be 30% more durable than previous generations. Performance-wise, the mouse uses the ROG AimPoint Pro optical sensor, delivering up to 42,000 DPI, 750 IPS, and 50G acceleration. Latency tests confirm excellent wireless performance, with the 2.4 GHz receiver mode achieving an average of 1.56 ms, which is competitive, and the wired mode achieving an outstanding 0.86 ms. Bluetooth latency is significantly higher at 12.44 ms. The reviewer notes that the side buttons are slightly forward for his grip but generally praises the solid, non-perforated body, the tactile feel of the optical switches, and the inclusion of pre-set calibration profiles for the included mousepad. The mouse software allows users to manage 5 profiles, adjust DPI steps, set angle snapping, and control the polling rate, which can be pushed to 8000Hz. The reviewer concludes that at $169.99, the mouse is a very solid option, especially for those who prefer the feel of a solid shell and appreciate the aesthetic or accessory bundle.

### Unboxing & Contents

- The box contains five ROG Harpe mice including the purple Demon1 Edition
- Accessories include PTFE replaceable mouse feet, ROG SpeedNova 8K receiver, logo sticker, receiver extender, thank you card, 2m USB-A to USB-C cable, grip tape set, and warranty booklet.

### Design & Build

- Features an ultra-light, bio-based nylon shell made from castor oil, resulting in a 70% lower carbon footprint and increased durability over previous models
- The shape is designed for claw and fingertip grips.

### Performance Metrics

- Utilizes the ROG AimPoint Pro sensor (up to 42,000 DPI, 750 IPS, 50G acceleration)
- Latency is excellent: 0.86 ms wired, 1.56 ms via 2.4GHz receiver, and 12.44 ms via Bluetooth.

### Software Customization

- ROG Armoury Crate software allows users to manage 5 profiles, customize button assignments, and adjust performance settings like DPI (up to 4 steps), angle snapping, and polling rate (up to 8000Hz).

### Calibration & Power

- Mouse calibration supports multiple pre-set mousepads or manual calibration
- Battery life is up to 101 hours without RGB and up to 84 hours with default RGB at 1000Hz polling rate.

![Screenshot at 00:03: The presenter introduces the product, which is sponsored by ASUS, showing the large black box.](https://ss.rapidrecap.app/screens/KbM51JWCl90/00-00-03.png)
![Screenshot at 00:08: The unboxing reveals the ROG ACE COLLECTION packaging, displaying five distinct mouse models lined up in the foam cutouts.](https://ss.rapidrecap.app/screens/KbM51JWCl90/00-00-08.png)
![Screenshot at 00:23: The text overlay identifies the specific edition being reviewed: 'ASUS ROG Harpe II Ace Demon1 Edition'.](https://ss.rapidrecap.app/screens/KbM51JWCl90/00-00-23.png)
![Screenshot at 00:40: The software interface displays a visual guide detailing the grip styles \(Claw and Fingertip\) recommended for the mouse shape.](https://ss.rapidrecap.app/screens/KbM51JWCl90/00-00-40.png)
![Screenshot at 01:15: A graphic details the use of 'Ultra-light, bio-based nylon' made from castor seeds, reducing the carbon footprint by 70%.](https://ss.rapidrecap.app/screens/KbM51JWCl90/00-01-15.png)
![Screenshot at 02:51: The presenter shows the bottom of the purple mouse, pointing out the Tri-Mode Switch \(2.4 GHz, BLE, Wired\), DPI Switch, and Pairing Button.](https://ss.rapidrecap.app/screens/KbM51JWCl90/00-02-51.png)
![Screenshot at 04:43: A graphic overlay displays key performance specs: ROG AimPoint Pro Sensor, 100-42,000 DPI, 750 IPS Max Speed, and 50G Max Acceleration.](https://ss.rapidrecap.app/screens/KbM51JWCl90/00-04-43.png)
![Screenshot at 09:23: A scatter plot graphic titled 'MOUSE LATENCY' shows extremely low latency across wired \(0.86 ms\) and receiver \(1.56 ms\) modes, with Bluetooth being significantly higher \(12.44 ms\).](https://ss.rapidrecap.app/screens/KbM51JWCl90/00-09-23.png)
![Screenshot at 10:32: A price tag overlay indicates the mouse retails for $169.99.](https://ss.rapidrecap.app/screens/KbM51JWCl90/00-10-32.png)
![Screenshot at 11:14: The end screen displays production credits and promotes another video, ending the review.](https://ss.rapidrecap.app/screens/KbM51JWCl90/00-11-14.png)