Finalmouse

Ultralight 2 Cape Town

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Technical Specifications

Weight 47 g
Length 116 mm
Width 57 mm
Height 38 mm
Sensor PixArt PMW3360
DPI Range 400 – 3,200
Polling Rate 1000 Hz
Buttons 5
Connectivity Wired USB
Battery Life N/A (wired)
Shape symmetrical
RGB No
Feet Material PTFE
Cable paracord
Release Year 2020

Overview

The Finalmouse Ultralight 2 Cape Town is a historically significant gaming mouse that helped define the ultralight movement. Released in 2020, it weighed just 47g — a figure that shocked the industry at a time when most gaming mice weighed 80-100g. Finalmouse achieved this through an aggressive honeycomb shell design, a compact 116mm body, and the removal of every non-essential gram. The Ultralight 2 is now discontinued and has become a collector’s item, commanding prices well above its original $119.99 MSRP on the secondary market. It uses the PixArt PMW3360 sensor, Omron mechanical switches, and a paracord cable — internals that were competitive at release but are now outclassed by newer hardware. For very small-handed players or collectors, the Ultralight 2 remains a fascinating piece of gaming mouse history. For everyone else, its successors and competitors have surpassed it in every technical dimension.

Design & Build Quality

The Ultralight 2 uses a full honeycomb shell made from PC/ABS plastic with a matte coating. The hexagonal cutouts cover the top, sides, and even portions of the bottom shell — Finalmouse removed material wherever possible to hit the 47g target. The result is striking: holding the Ultralight 2 feels like holding a feather compared to traditional gaming mice.

The build quality reflects the weight compromise. Shell flex is present — pressing on the top shell produces noticeable give, especially toward the center between the main buttons and the rear. During intense gameplay with heavy grip pressure, you can feel the shell deform slightly. This is not a dealbreaker for most users, but it is a departure from the solid, tank-like feel of a Zowie or Razer mouse.

Dimensions are extremely compact: 116mm long, 57mm wide, and 38mm tall. This is one of the smallest gaming mice ever produced by a major manufacturer. The small footprint means this mouse is designed for a specific subset of users — those with small hands or those who exclusively use fingertip grip.

The honeycomb design has practical downsides beyond aesthetics. Dust, crumbs, and hair can enter through the holes and accumulate inside the mouse. Cleaning requires removing the shell or using compressed air. Some users report discomfort from the hexagonal edges pressing against their skin, particularly during long gaming sessions. Finalmouse included foam “Infinity Skins” — adhesive inserts that can be placed inside the mouse to fill gaps, add weight customization, and provide a smoother interior surface against the skin. These skins are a clever solution but add complexity.

The paracord cable is excellent — flexible, lightweight, and one of the better stock cables from that era. It drapes naturally and generates minimal drag. No RGB lighting is present — another weight-saving decision.

Color options: the Cape Town edition features a distinctive blue-teal colorway that has become iconic in the mouse community.

Shape & Grip Compatibility

The Ultralight 2 measures 116mm long, 57mm wide, and 38mm tall. These are exceptionally small dimensions — smaller than almost every mainstream gaming mouse on the market. Shape and grip analysis must account for this extreme compactness.

Palm Grip (15.0-16.5cm hands only): Palm grip on the Ultralight 2 is only viable for very small hands — those measuring approximately 15.0 to 16.5cm from wrist to fingertip. At 116mm long, there is simply not enough mouse to fill the palm of anyone with average-sized hands. If your hand is 17cm or longer, your fingers will hang significantly over the front edge, and the rear of the mouse will not reach the center of your palm. For very small-handed players in the 15 to 16cm range, the Ultralight 2 offers a proportionally correct palm experience, with the 38mm hump providing adequate support and the 57mm width fitting narrow hands (7.5-8.5cm wide) well.

Claw Grip (15.0-17.5cm hands): Claw grip is viable and recommended for the broadest range of users. With your palm heel resting on the rear of the mouse and your fingers arched over the buttons, the 116mm length provides just enough real estate for a stable claw position. The 38mm height places the hump at a comfortable level for your palm heel. The 47g weight is a significant advantage for claw grip — micro-adjustments and flick shots require minimal effort, and fatigue during extended sessions is virtually nonexistent. For hands in the 16 to 17cm range, claw grip feels natural and responsive. Hands over 17.5cm will find the mouse too cramped for comfortable claw — your ring finger and pinky will run out of space on the right side.

Fingertip Grip (15.0-17.5cm hands): This is the Ultralight 2’s target grip style. At 47g, the mouse responds instantly to fingertip movements with zero resistance from weight. The compact 116 x 57mm footprint allows you to balance the mouse on your fingertips without any shell contact against your palm. For pure fingertip players with hands in the 15 to 17cm range, the Ultralight 2 provides an unmatched feeling of direct control — it moves exactly where your fingers tell it to, with no weight inertia to overcome. The 57mm width is narrow enough for tight lateral control, and the low 38mm profile keeps the mouse under your fingertips without interference.

Hand Width Considerations: Recommended hand width is 7.5 to 9.0cm. Players with hands wider than 9cm will find the 57mm body too narrow to grip comfortably from the sides, especially during lifts and repositioning. This is a small mouse designed for small hands — no amount of grip adjustment makes it comfortable for medium or large hands.

Sensor Performance

The PMW3360 sensor was the gold standard when the Ultralight 2 launched, and it remains a capable sensor today. It supports DPI from 400 to 3200, with a maximum tracking speed of 250 IPS and 50g acceleration tolerance. At competitive settings (400-1600 DPI), the sensor tracks flawlessly — no acceleration, no smoothing, and no spin-out on common cloth pads.

The limitations are relative to newer sensors. The 250 IPS tracking speed is lower than the 400-650 IPS ratings of modern sensors like the PAW3395 or Focus Pro 35K. In practice, 250 IPS is sufficient for the vast majority of players — you would need extremely high DPI combined with very fast hand movements to exceed this threshold. The DPI ceiling of 3200 is also limited compared to modern 30,000+ DPI sensors, but since most competitive players use 400-1600 DPI, this is largely irrelevant.

Lift-off distance is approximately 1.5mm and not adjustable (no software). This is slightly higher than the 1.0-1.2mm standard on modern mice. Some players may notice unwanted tracking during mouse lifts, though the difference is marginal.

Click latency is approximately 3.0ms, and motion latency is approximately 8.0ms. These numbers are behind current flagships (1.0ms click, 3.5ms motion) but were competitive at the time of release. The 8ms motion latency is perceptible in direct comparison testing but unlikely to affect gameplay for most players.

Polling rate is fixed at 1000Hz. No lower options are available.

Switches & Buttons

The Ultralight 2 uses Omron mechanical switches with an actuation force of approximately 55 grams-force and a durability rating of 20 million clicks. The click feel is standard Omron — crisp and reliable with moderate pre-travel. However, Omron switches of this era are known for developing double-click issues after extended use (typically 1-2 years of heavy gaming). If you acquire an Ultralight 2 secondhand, switch condition is something to verify.

The scroll wheel is a basic mechanical stepped design with light notch resistance. It is functional for weapon switching and scrolling but lacks the precision and tactile definition of Zowie or Kailh encoders. The light resistance means accidental scrolls are possible during intense gameplay.

Two side buttons sit on the left side. They are small — proportionate to the tiny mouse body — and have adequate click feel. Reaching them requires thumb repositioning for some users due to the compact dimensions.

There is no DPI button on the mouse body. DPI is adjusted via a button on the bottom of the mouse, cycling through preset stages (400, 800, 1600, 3200). This prevents accidental mid-game DPI changes but makes quick switching inconvenient.

Total button count is five: left click, right click, scroll click, and two side buttons.

Connectivity & Battery

The Ultralight 2 is wired only. The paracord cable is one of the better stock cables from 2020 — flexible, lightweight, and unobtrusive during gameplay. It drapes naturally over the mousepad and generates minimal drag. A cable bungee further improves the experience.

The USB connector is standard Type-A. Cable length is approximately 1.8m — adequate for most desk setups.

As a wired mouse, there are no battery considerations. For players who require wireless, the Finalmouse Starlight-12 is the direct successor — a 42g wireless mouse with a magnesium shell that supersedes the Ultralight 2 in every technical dimension.

The wired connection has one advantage over wireless for ultra-competitive players: guaranteed zero-dropout connectivity. While modern wireless mice like the Superlight 2 and Viper V3 Pro have effectively eliminated interference issues, wired remains the standard for absolute reliability assurance.

Feet & Glide

The Ultralight 2 ships with four PTFE feet at approximately 0.6mm thickness. The stock feet are basic — functional but not the smoothest or most durable PTFE available. At 47g, the mouse glides easily on any surface simply due to its low weight, so the feet material matters less than on heavier mice.

Aftermarket feet from Corepadz, Tiger Arc, or Hyperglide provide a noticeable improvement in smoothness and durability. Given the Ultralight 2’s collector status, many users replace the stock feet as a matter of course during restoration or refurbishment.

The honeycomb bottom shell means that dust and debris can contact the sensor lens more easily than on closed-shell mice. Regular cleaning of the sensor area is recommended.

Software

The Ultralight 2 has no software. There is no companion application, no configuration utility, and no firmware update tool. This was a deliberate choice by Finalmouse, who marketed the mouse as a plug-and-play device that requires zero software interaction.

DPI is adjusted via a physical button on the bottom of the mouse, cycling through four preset stages: 400, 800, 1600, and 3200. Polling rate is fixed at 1000Hz. Button remapping is not possible without third-party tools.

There is no onboard memory in the traditional sense — the DPI presets are fixed and cannot be customized. This simplicity is either a feature or a limitation depending on your perspective. For players who set their DPI once and never change it, the absence of software is freeing. For players who want fine-grained customization, it is restrictive.

Pro Player Usage

The Finalmouse Ultralight 2 does not have documented current usage among professional esports players in our tracking database. At the time of its release, several high-profile players and content creators used it, but the mouse has been superseded by the Starlight-12 and other modern alternatives.

The Ultralight 2’s legacy in competitive gaming is significant despite the absence of current pro usage. It demonstrated that sub-50g mice were viable for competitive play, and it directly influenced the design priorities of subsequent mice from Razer, Logitech, and others. The current wave of 50-60g wireless mice exists in part because the Ultralight 2 proved that players wanted lighter hardware.

Notable historical context: before the Ultralight 2, competitive players generally accepted 80-100g mice as the standard weight range. Finalmouse’s aggressive weight reduction forced every major manufacturer to reconsider their weight targets, leading to the ultralight arms race that produced mice like the 54g Viper V3 Pro and the 39g Ninjutso Sora V2.

For current purchasing: the Ultralight 2 is a collector’s item rather than a competitive tool. Its internals are outdated, its size is extremely limiting, and better options exist at every price point. The mouse’s value is historical and sentimental.

Common Complaints & Praises

Praises:

Complaints:

The Ultralight 2 generates strong emotional reactions in the mouse community. Those who experienced it at launch view it as a landmark product. Those evaluating it against current options find it outclassed in every technical metric.

Verdict & Buying Guide

Buy if: You are a collector who wants a piece of gaming mouse history. You have very small hands (15-17cm) and use fingertip or claw grip. You value extreme lightweight above all other specifications. You can find one at a reasonable price.

Skip if: Your hands are average-sized or larger (18cm+). You want modern sensor and switch technology. You prefer wireless connectivity. You dislike honeycomb shell designs. You want software customization.

Alternatives:

Price assessment: The original MSRP was $119.99, but secondary market prices vary significantly — $150-$300+ depending on condition and edition. At any price above $100, the Ultralight 2 is not a rational purchase for competitive gaming purposes. Modern alternatives like the Ninjutso Sora V2 (39g, wireless, $89.99) offer better specs at lower prices. The Ultralight 2’s value is primarily as a collectible and a conversation piece in gaming mouse history.