Finalmouse UltralightX Sakura

The world's lightest, fastest, and most responsive wireless gaming mouse is here.

UltralightX Sakura (ULX Sakura) — A special limited edition model with a colorway inspired by wild weeping cherry blossoms.

It weighs just 33g.
Cutting-edge 8000Hz wireless technology delivers click latency of approximately 344 microseconds and motion latency of approximately 444 microseconds.
Crafted from carbon fiber composite, the ULX Sakura sets a new performance standard for esports mice.

The cherry blossom-colored paint, specially tailored for this model, is protected by a newly developed UV matte coating, providing a comfortable grip and high durability. It is non-slip even during extended play, and fits comfortably in your hand.

The side of the chassis features special artwork using a new satin base finish. The motif is the handwritten kanji character for "cherry blossom" and is elegantly accented with champagne gold.

UltralightX Sakura is the culmination of 10 years of accumulated technology.
It's so light it feels like you're holding air. At just 33g, it's incredibly lightweight—lighter than the sugar in a can of cola and lighter than a single strawberry.

Experience an unprecedented feeling and control experience in your hands.

While some manufacturers still cling to the outdated idea of ​​an "ideal weight range," Finalmouse places great importance on designing based on the laws of physics.
According to Newton's laws of motion and the SUVAT equation (a model of object motion), it is clear that a lighter mouse will respond faster.

For a 300mm swipe with the same force, the ULX (35g) reaches the target 16.7ms faster than a 65g mouse and 29.7ms faster than a 95g mouse. This difference is greater than the network ping difference between East and West, and is not something to be ignored in gaming.

This difference isn't electronic, but pure "physical speed." A heavier mouse requires more force and grip pressure, and fatigue builds up more easily, so aiming performance definitely declines over long periods of play.

The ULX body is made of a unique carbon fiber composite material that combines strength and lightness not possible with conventional materials.

・Approximately three times stronger than ABS resin
・Approximately 33% stronger than magnesium
・30% lighter than magnesium, and maintains rigidity even with a thickness of 0.8mm

It also features a solid sidewall, a feature highly requested by pros, without adding any weight. It creates a direct feel when you grip it, allowing you to concentrate on your aim with a streamlined feel.

No matter how excellent the hardware is, if the firmware that controls it is mediocre, its performance will not be fully utilized.
Many commercially available mice use generic firmware common to Chinese OEMs and are not designed with competitive performance in mind.

ULX is equipped with proprietary firmware developed from scratch:
・All code written and performance verified in-house
- No release unless 100% of 83 strict tests are passed
- Working directly with chip manufacturers to fix undisclosed bugs

Once the sensor detects movement, it's up to the firmware to interpret, synchronize, and transmit that information wirelessly - this is what sets ULX apart from other products.

The ultra-high polling rate of 8000Hz quickly reveals the quality of the RF (wireless) implementation. ULX's unique dual MCU configuration and RF channel hopping technology ensure zero input lag, even in noisy environments like LAN tournaments.

- Adaptive RF that switches to the optimal frequency in real time
- Stable communication with precise packet scheduling
- RF processing and USB communication are handled by separate chips, achieving high-speed processing

As a result, click latency is maintained at a stable 319μs and motion latency at 444μs.

Typical mice have a delay of 4 to 20 ms to prevent accidental clicks due to switch contact bouncing, but this can cause a decrease in response.
ULX's unique smart debounce processing completely eliminates this delay, ensuring instant click response.

In addition, advanced control is incorporated to suit the situation, such as preventing malfunctions during lift-off and noise reduction processing after clicking, achieving both responsiveness and reliability.

While using PixArt's latest sensors, we worked with the manufacturer to implement undisclosed bug fixes and synchronization optimizations.
By thoroughly re-examining even the parts that other companies simply adhere to the specifications, we achieve true accuracy and low latency.

ULX is compatible with the driver-free browser tool "XPANEL."
-Can be set up wirelessly (no USB connection required)
- DPI and function settings are saved in the device's memory
・Firmware updates and scrolling behavior adjustments are also possible.

Even in a restricted environment like a tournament PC, you can always fight with your own settings.

Even with 8000Hz communication, precise power control in the firmware ensures a battery life of more than two months.
This is the result of a design that takes the entire system into consideration, rather than relying on unnecessary power-saving features.

ULX comes in three sizes: Small, Medium, and Classic.
Rather than simply being scaled, each one has its own unique design.

Furthermore, the shape is based on a prototype hand-sculpted from clay over 10 years ago, and this shape, based on ergonomics and muscle memory, achieves a natural fit that cannot be replicated by 3D scanning or CAD alone.

Even a difference of just a few millimeters in curve can make a big difference in the sense of aiming and the strain on your wrist. The shape of the Finalmouse is designed to function as a literal extension of your hand.

The Finalmouse UltralightX Competition is not just a specs competition.
It is the result of comprehensive engineering that thoroughly explores all fields, including physics, mechanics, materials, RF, industrial design, firmware, reliability, and test automation.

In the world of eSports, where even a split second of delay can mean the difference between victory and defeat, the ULX was designed with every aspect in mind, resulting in a mouse that "doesn't waste even a microsecond."