The ASUS ROG Keris II Ace is a 54-gram wireless gaming mouse built for competitive FPS players who need low-latency precision without weight. It pairs a 42,000-DPI optical sensor with tri-mode connectivity—USB, 2.4 GHz RF, and Bluetooth—and supports polling rates up to 8,000 Hz in wired mode or 4,000 Hz wireless when paired with the included ROG Polling Rate Booster.
Why This Product
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54g ergonomic shell tested by pro FPS players
— The shape and weight are designed and validated for competitive gaming. Low mass reduces hand fatigue over long sessions.
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42,000-DPI sensor with sub-1% deviation
— ROG AimPoint Pro optical sensor tracks on glass and delivers consistency across the full DPI range. Max speed reaches 750 IPS with 50G acceleration.
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Up to 8,000 Hz polling rate in wired mode
— ROG Polling Rate Booster pushes USB polling to 8,000 Hz or wireless RF to 4,000 Hz for lower input latency.
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Tri-mode: wired, 2.4 GHz, or Bluetooth
— Switch between USB, low-latency wireless, or Bluetooth to pair with up to three devices. ROG Omni Receiver consolidates multiple connections into one dongle.
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100-million-click optical switches
— ROG Optical Micro Switches provide instant clicky actuation with verified durability for competitive play.
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107-hour battery in 2.4 GHz RF mode
— Wireless operation lasts weeks between charges. Includes 2-meter ROG Paracord for wired fallback.
At a Glance
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Weight
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54g
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Sensor DPI
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42,000
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Max Polling Rate
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8,000 Hz (wired), 4,000 Hz (wireless)
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Battery Life
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Up to 107 hours (2.4 GHz RF mode)
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Colors
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Black, Moonlight White
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Switch Lifespan
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100 million clicks
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Cable
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2-meter ROG Paracord
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Compatibility
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✓ Works with Windows 10 and Windows 11 via USB, 2.4 GHz RF dongle, or Bluetooth 5.1.
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✓ Pairs with up to three devices in Bluetooth mode using the ROG Omni Receiver.
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Note: Polling rates up to 8,000 Hz are available only in wired USB mode or when paired with the included ROG Polling Rate Booster; standard 2.4 GHz RF tops out at 4,000 Hz.
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Note: Requires Armoury Crate software on Windows to remap buttons and adjust settings; onboard control allows basic adjustments without software.
Best For / Trade-offs
Best for:
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Competitive FPS players who prioritize low weight and low latency
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Users who switch between gaming and productivity on multiple devices via Bluetooth
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Players with extended gaming sessions who benefit from lightweight design and multi-day battery life
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Those who demand both wireless convenience and wired ultra-high polling rates via one mouse
Trade-offs:
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Users on macOS or Linux; driver and software support is Windows-only.
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Those who need wireless polling rates above 4,000 Hz without physical attachment of the Polling Rate Booster.
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Players seeking palm-grip or claw-grip mice; the shape is optimized for fingertip and hybrid grips.
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Budget-conscious buyers; this is a premium competitive device priced accordingly.
Description
The 54 g ROG Keris II Ace ergonomic gaming mouse has a shape tested and approved by pro FPS players. It is equipped with 42,000-dpi ROG AimPoint Pro optical sensor, ROG Optical Micro Switches and the ROG SpeedNova wireless technology, and is compatible with the ROG Polling Rate Booster, which supports polling rates up to 4,000 Hz in wireless mode and up to 8,000 Hz in wired mode.
Specifications
Device
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Brand
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ASUS
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Sensor
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ROG AimPoint Pro optical
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Max DPI
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42,000
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Max Speed
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750 IPS
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Max Acceleration
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50G
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Switch Type
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ROG 100M Optical Micro Switch
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Lighting
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Scroll wheel
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Dimensions
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121(L) × 67(W) × 42(H) mm
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Weight
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54g
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Connectivity
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Connection
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USB 2.0 (Type-C to Type-A), Bluetooth 5.1, RF 2.4 GHz
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USB Report Rate
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8,000 Hz with ROG Polling Rate Booster
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RF 2.4G Report Rate
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4,000 Hz with ROG Polling Rate Booster
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Battery Life
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Up to 107 hours (RF 2.4 GHz mode)
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Software
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Armoury Crate, AURA Sync compatible
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OS Compatibility
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Windows 10, Windows 11
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Physical
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Cable
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2-meter ROG Paracord
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Mouse Feet
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100% PTFE (2 replaceable sets included)
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Grip Tape
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Anti-slip grip tape set included
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Color Options
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Black, Moonlight White
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